./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_vardep_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_vardep_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 199c7a46b756091bf3eb8b2dd1ac46d4cc123e50a50bc65aad9ff531c4b58043 --- 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-dbf71c6-m [2022-10-17 16:42:23,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:23,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:23,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:23,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:23,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:23,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:23,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:23,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:23,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:23,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:23,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:23,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:23,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:23,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:23,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:23,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:23,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:23,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:23,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:23,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:23,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:23,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:23,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:23,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:23,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:23,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:23,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:23,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:23,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:23,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:23,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:23,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:23,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:23,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:23,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:23,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:23,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:23,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:23,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:23,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:23,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:23,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:23,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:23,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:23,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:23,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:23,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:23,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:23,516 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:23,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:23,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:23,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:23,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:23,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:23,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:23,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:23,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:23,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:23,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:23,528 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:23,528 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:23,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:23,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:23,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:23,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:23,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:23,530 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:23,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:23,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:23,530 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_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 199c7a46b756091bf3eb8b2dd1ac46d4cc123e50a50bc65aad9ff531c4b58043 [2022-10-17 16:42:23,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:23,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:23,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:23,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:23,839 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:23,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-crafted/simple_vardep_1.c [2022-10-17 16:42:23,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/data/f8b8b262a/cc9b1c605a4a478aa3521c0f337e2e45/FLAGe27c0e88d [2022-10-17 16:42:24,490 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:24,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/sv-benchmarks/c/loop-crafted/simple_vardep_1.c [2022-10-17 16:42:24,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/data/f8b8b262a/cc9b1c605a4a478aa3521c0f337e2e45/FLAGe27c0e88d [2022-10-17 16:42:24,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/data/f8b8b262a/cc9b1c605a4a478aa3521c0f337e2e45 [2022-10-17 16:42:24,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:24,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:24,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:24,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:24,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:24,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:24" (1/1) ... [2022-10-17 16:42:24,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600b6673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:24, skipping insertion in model container [2022-10-17 16:42:24,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:24" (1/1) ... [2022-10-17 16:42:24,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:24,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:25,085 WARN L230 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_cd248abf-92d5-4afc-ba53-151752ac4e9d/sv-benchmarks/c/loop-crafted/simple_vardep_1.c[584,597] [2022-10-17 16:42:25,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:25,113 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:25,125 WARN L230 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_cd248abf-92d5-4afc-ba53-151752ac4e9d/sv-benchmarks/c/loop-crafted/simple_vardep_1.c[584,597] [2022-10-17 16:42:25,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:25,142 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:25,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25 WrapperNode [2022-10-17 16:42:25,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:25,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:25,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:25,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:25,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,183 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2022-10-17 16:42:25,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:25,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:25,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:25,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:25,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,210 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:25,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:25,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:25,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:25,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:25,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:25,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:25,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:25,388 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:25,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:25,540 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:25,585 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:25,585 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:42:25,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:25 BoogieIcfgContainer [2022-10-17 16:42:25,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:25,589 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:25,590 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:25,603 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:25,603 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:25,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:42:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:42:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:42:25,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:26,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-10-17 16:42:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-10-17 16:42:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:42:26,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:26,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:26,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:26,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2022-10-17 16:42:26,874 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2022-10-17 16:42:26,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:42:26,875 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-10-17 16:42:26,884 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:42:26,932 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:42:26,942 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:42:26,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:42:26 ImpRootNode [2022-10-17 16:42:26,943 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:42:26,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:42:26,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:42:26,944 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:42:26,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:25" (3/4) ... [2022-10-17 16:42:26,948 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:42:26,957 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:42:26,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:42:26,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:42:26,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:42:26,993 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:42:26,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:42:26,994 INFO L158 Benchmark]: Toolchain (without parser) took 2131.05ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 47.6MB in the beginning and 79.7MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:26,995 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:26,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.47ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 68.5MB in the beginning and 93.0MB in the end (delta: -24.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:42:26,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.56ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 91.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:26,997 INFO L158 Benchmark]: Boogie Preprocessor took 29.12ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 90.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:26,998 INFO L158 Benchmark]: RCFGBuilder took 374.03ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 80.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:42:26,999 INFO L158 Benchmark]: CodeCheck took 1353.96ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 81.7MB in the end (delta: -1.3MB). Peak memory consumption was 226.9kB. Max. memory is 16.1GB. [2022-10-17 16:42:26,999 INFO L158 Benchmark]: Witness Printer took 49.39ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 79.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:27,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 2 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 10]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: k <= i + j && i + j <= k - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: k <= i + j && i + j <= k * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.47ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 68.5MB in the beginning and 93.0MB in the end (delta: -24.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.56ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 91.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.12ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 90.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 374.03ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 80.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1353.96ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 81.7MB in the end (delta: -1.3MB). Peak memory consumption was 226.9kB. Max. memory is 16.1GB. * Witness Printer took 49.39ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 79.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:42:27,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd248abf-92d5-4afc-ba53-151752ac4e9d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE