./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4 --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 6c020369ec9db93c4030b11f3867ccc67b47abefb08af28ee3e748183f71776d --- 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-2329fc7 [2022-12-14 19:08:55,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:08:55,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:08:55,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:08:55,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:08:55,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:08:55,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:08:55,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:08:55,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:08:55,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:08:55,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:08:55,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:08:55,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:08:55,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:08:55,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:08:55,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:08:55,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:08:55,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:08:55,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:08:55,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:08:55,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:08:55,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:08:55,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:08:55,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:08:55,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:08:55,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:08:55,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:08:55,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:08:55,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:08:55,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:08:55,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:08:55,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:08:55,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:08:55,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:08:55,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:08:55,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:08:55,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:08:55,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:08:55,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:08:55,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:08:55,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:08:55,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:08:55,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:08:55,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:08:55,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:08:55,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:08:55,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:08:55,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:08:55,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:08:55,773 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:08:55,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:08:55,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:08:55,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:08:55,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:08:55,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:08:55,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:08:55,774 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:08:55,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:08:55,774 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:08:55,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:08:55,775 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:08:55,775 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:08:55,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:08:55,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:08:55,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:08:55,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:08:55,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:08:55,776 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:08:55,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:08:55,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:08:55,776 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_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c020369ec9db93c4030b11f3867ccc67b47abefb08af28ee3e748183f71776d [2022-12-14 19:08:55,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:08:55,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:08:55,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:08:55,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:08:55,983 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:08:55,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-fpi/ms2f.c [2022-12-14 19:08:58,541 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:08:58,698 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:08:58,698 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/sv-benchmarks/c/array-fpi/ms2f.c [2022-12-14 19:08:58,702 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/data/3ce144389/08866743506e43f884171bdfbc0d35b4/FLAGf2cbacb69 [2022-12-14 19:08:59,098 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/data/3ce144389/08866743506e43f884171bdfbc0d35b4 [2022-12-14 19:08:59,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:08:59,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:08:59,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:08:59,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:08:59,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:08:59,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b2132c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59, skipping insertion in model container [2022-12-14 19:08:59,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:08:59,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:08:59,231 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_9d8daecb-b558-4421-a481-61a2e473c94f/sv-benchmarks/c/array-fpi/ms2f.c[587,600] [2022-12-14 19:08:59,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:08:59,252 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:08:59,263 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_9d8daecb-b558-4421-a481-61a2e473c94f/sv-benchmarks/c/array-fpi/ms2f.c[587,600] [2022-12-14 19:08:59,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:08:59,279 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:08:59,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59 WrapperNode [2022-12-14 19:08:59,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:08:59,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:08:59,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:08:59,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:08:59,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,304 INFO L138 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-14 19:08:59,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:08:59,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:08:59,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:08:59,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:08:59,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:08:59,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:08:59,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:08:59,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:08:59,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:08:59,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:08:59,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:08:59,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:08:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:08:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:08:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 19:08:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 19:08:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 19:08:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:08:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:08:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 19:08:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:08:59,445 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:08:59,447 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:08:59,561 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:08:59,596 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:08:59,596 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 19:08:59,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:08:59 BoogieIcfgContainer [2022-12-14 19:08:59,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:08:59,600 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:08:59,600 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:08:59,609 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:08:59,609 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:08:59" (1/1) ... [2022-12-14 19:08:59,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:08:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-12-14 19:08:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-12-14 19:08:59,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 19:08:59,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:59,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:08:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:08:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-12-14 19:08:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-12-14 19:08:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:08:59,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:59,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:08:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:09:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 19:09:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 19:09:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:09:00,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:00,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:09:00,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:09:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:09:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:09:00,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:09:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:09:00,186 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-12-14 19:09:00,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:09:00 ImpRootNode [2022-12-14 19:09:00,206 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:09:00,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:09:00,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:09:00,206 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:09:00,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:08:59" (3/4) ... [2022-12-14 19:09:00,208 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 19:09:00,234 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:09:00,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:09:00,235 INFO L158 Benchmark]: Toolchain (without parser) took 1134.35ms. Allocated memory is still 134.2MB. Free memory was 103.0MB in the beginning and 93.0MB in the end (delta: 10.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 19:09:00,235 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:09:00,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.41ms. Allocated memory is still 134.2MB. Free memory was 102.5MB in the beginning and 92.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:09:00,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.76ms. Allocated memory is still 134.2MB. Free memory was 92.1MB in the beginning and 90.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:09:00,236 INFO L158 Benchmark]: Boogie Preprocessor took 17.61ms. Allocated memory is still 134.2MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:09:00,237 INFO L158 Benchmark]: RCFGBuilder took 275.87ms. Allocated memory is still 134.2MB. Free memory was 89.1MB in the beginning and 75.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 19:09:00,237 INFO L158 Benchmark]: CodeCheck took 606.04ms. Allocated memory is still 134.2MB. Free memory was 75.3MB in the beginning and 95.1MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:09:00,237 INFO L158 Benchmark]: Witness Printer took 28.45ms. Allocated memory is still 134.2MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:09:00,240 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 8 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [a={-1:0}, i=0, N=1, sum={29408:0}] [L31] COND TRUE i N) [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, N=1] [L15] reach_error() VAL [\old(cond)=0, cond=0, N=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.41ms. Allocated memory is still 134.2MB. Free memory was 102.5MB in the beginning and 92.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.76ms. Allocated memory is still 134.2MB. Free memory was 92.1MB in the beginning and 90.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.61ms. Allocated memory is still 134.2MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.87ms. Allocated memory is still 134.2MB. Free memory was 89.1MB in the beginning and 75.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 606.04ms. Allocated memory is still 134.2MB. Free memory was 75.3MB in the beginning and 95.1MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 28.45ms. Allocated memory is still 134.2MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 19:09:00,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8daecb-b558-4421-a481-61a2e473c94f/bin/ukojak-rkRKPMF4O4/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE