./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss4f.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_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/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_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ss4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/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_4fad2ef7-7485-46af-bce9-823808380915/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 ec849c99676c748abc5b9766c44a36d723f69a872b4d768d06c539c74569bdf4 --- 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 17:01:54,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:54,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:54,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:54,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:54,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:54,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:54,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:54,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:54,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:54,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:54,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:54,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:54,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:54,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:54,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:54,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:54,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:54,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:54,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:54,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:54,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:54,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:54,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:54,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:54,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:54,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:54,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:54,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:54,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:54,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:54,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:54,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:54,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:54,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:54,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:54,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:54,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:54,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:54,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:54,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:54,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:54,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:54,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:54,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:54,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:54,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:54,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:54,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:54,470 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:54,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:54,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:54,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:54,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:54,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:54,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:54,472 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:54,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:54,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:54,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:54,472 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:54,473 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:54,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:54,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:54,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:54,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:54,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:54,474 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:54,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:54,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:54,474 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_4fad2ef7-7485-46af-bce9-823808380915/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec849c99676c748abc5b9766c44a36d723f69a872b4d768d06c539c74569bdf4 [2022-10-17 17:01:54,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:54,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:54,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:54,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:54,829 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:54,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ss4f.c [2022-10-17 17:01:54,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/data/a142f0ec2/f7dd367f5d5d43bc95a4e82cce4fd117/FLAGc61e281c6 [2022-10-17 17:01:55,479 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:55,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/sv-benchmarks/c/array-fpi/ss4f.c [2022-10-17 17:01:55,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/data/a142f0ec2/f7dd367f5d5d43bc95a4e82cce4fd117/FLAGc61e281c6 [2022-10-17 17:01:55,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/data/a142f0ec2/f7dd367f5d5d43bc95a4e82cce4fd117 [2022-10-17 17:01:55,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:55,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:55,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:55,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:55,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:55,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:55" (1/1) ... [2022-10-17 17:01:55,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a13b8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:55, skipping insertion in model container [2022-10-17 17:01:55,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:55" (1/1) ... [2022-10-17 17:01:55,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:55,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:56,089 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_4fad2ef7-7485-46af-bce9-823808380915/sv-benchmarks/c/array-fpi/ss4f.c[587,600] [2022-10-17 17:01:56,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:56,141 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:56,161 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_4fad2ef7-7485-46af-bce9-823808380915/sv-benchmarks/c/array-fpi/ss4f.c[587,600] [2022-10-17 17:01:56,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:56,205 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:56,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56 WrapperNode [2022-10-17 17:01:56,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:56,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:56,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:56,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:56,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,269 INFO L138 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2022-10-17 17:01:56,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:56,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:56,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:56,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:56,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:56,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:56,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:56,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:56,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:56,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:56,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:56,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:01:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:01:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:01:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:01:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:01:56,503 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:56,506 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:56,714 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:56,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:56,768 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:01:56,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:56 BoogieIcfgContainer [2022-10-17 17:01:56,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:56,772 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:56,772 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:56,783 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:56,783 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:56" (1/1) ... [2022-10-17 17:01:56,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 17:01:56,882 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 17:01:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:01:56,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:56,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:57,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:57,273 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 17:01:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 17:01:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 17:01:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:57,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:57,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:01:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 17:01:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 17:01:57,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:57,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:57,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:57,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:01:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 17:01:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 17:01:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:01:57,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:57,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:57,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:57,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:01:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 17:01:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 17:01:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:01:57,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:57,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:57,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:01:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:57,952 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-10-17 17:01:57,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:01:57 ImpRootNode [2022-10-17 17:01:57,987 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:01:57,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:01:57,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:01:57,988 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:01:57,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:56" (3/4) ... [2022-10-17 17:01:57,991 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:01:58,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fad2ef7-7485-46af-bce9-823808380915/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:01:58,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:01:58,041 INFO L158 Benchmark]: Toolchain (without parser) took 2193.77ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 71.7MB in the beginning and 75.4MB in the end (delta: -3.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-10-17 17:01:58,042 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 79.1MB in the beginning and 79.1MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:58,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.53ms. Allocated memory is still 107.0MB. Free memory was 71.4MB in the beginning and 80.5MB in the end (delta: -9.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:01:58,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.76ms. Allocated memory is still 107.0MB. Free memory was 80.5MB in the beginning and 78.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:58,043 INFO L158 Benchmark]: Boogie Preprocessor took 42.82ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 77.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:58,044 INFO L158 Benchmark]: RCFGBuilder took 456.52ms. Allocated memory is still 107.0MB. Free memory was 77.4MB in the beginning and 62.4MB in the end (delta: 15.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 17:01:58,045 INFO L158 Benchmark]: CodeCheck took 1215.57ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 62.4MB in the beginning and 77.5MB in the end (delta: -15.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-10-17 17:01:58,045 INFO L158 Benchmark]: Witness Printer took 52.35ms. Allocated memory is still 130.0MB. Free memory was 77.5MB in the beginning and 75.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:58,049 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 16 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 2 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [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); [L31] sum[0] = 0 [L32] i=0 VAL [a={4:0}, i=0, N=1, sum={6:0}] [L32] COND TRUE i