./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46a51a72c3021359003e3ef71d7da3d3d8bbf22ab51378532c0a04e68e0092dc --- 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-6b4ec56 [2022-11-20 18:22:27,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:22:27,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:22:27,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:22:27,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:22:27,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:22:27,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:22:27,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:22:27,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:22:27,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:22:27,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:22:27,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:22:27,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:22:27,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:22:27,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:22:27,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:22:27,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:22:27,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:22:27,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:22:27,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:22:27,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:22:27,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:22:27,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:22:27,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:22:27,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:22:27,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:22:27,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:22:27,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:22:27,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:22:27,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:22:27,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:22:27,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:22:27,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:22:27,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:22:27,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:22:27,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:22:27,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:22:27,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:22:27,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:22:27,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:22:27,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:22:27,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:22:27,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:22:27,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:22:27,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:22:27,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:22:27,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:22:27,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:22:27,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:22:27,171 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:22:27,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:22:27,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:22:27,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:22:27,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:22:27,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:22:27,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:22:27,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:22:27,174 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:22:27,174 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:22:27,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:22:27,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:22:27,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:22:27,175 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:22:27,175 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:22:27,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:22:27,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:22:27,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:22:27,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:22:27,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:22:27,176 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:22:27,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:22:27,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:22:27,177 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_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46a51a72c3021359003e3ef71d7da3d3d8bbf22ab51378532c0a04e68e0092dc [2022-11-20 18:22:27,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:22:27,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:22:27,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:22:27,505 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:22:27,506 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:22:27,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i [2022-11-20 18:22:30,574 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:22:30,826 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:22:30,827 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i [2022-11-20 18:22:30,833 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/data/5f78abe78/7a605e632c6d47909f35df9fb157b09d/FLAG504db604e [2022-11-20 18:22:30,851 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/data/5f78abe78/7a605e632c6d47909f35df9fb157b09d [2022-11-20 18:22:30,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:22:30,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:22:30,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:22:30,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:22:30,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:22:30,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:30" (1/1) ... [2022-11-20 18:22:30,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0d8c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:30, skipping insertion in model container [2022-11-20 18:22:30,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:30" (1/1) ... [2022-11-20 18:22:30,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:22:30,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:22:31,064 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_02dabe10-db04-43c1-b83b-590fd5b3e302/sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i[873,886] [2022-11-20 18:22:31,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:22:31,084 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:22:31,095 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_02dabe10-db04-43c1-b83b-590fd5b3e302/sv-benchmarks/c/loop-zilu/benchmark15_conjunctive.i[873,886] [2022-11-20 18:22:31,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:22:31,110 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:22:31,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31 WrapperNode [2022-11-20 18:22:31,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:22:31,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:22:31,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:22:31,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:22:31,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,141 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-11-20 18:22:31,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:22:31,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:22:31,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:22:31,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:22:31,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:22:31,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:22:31,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:22:31,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:22:31,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:22:31,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:22:31,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:22:31,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:22:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:22:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:22:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:22:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:22:31,308 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:22:31,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:22:31,453 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:22:31,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:22:31,480 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:22:31,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:31 BoogieIcfgContainer [2022-11-20 18:22:31,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:22:31,483 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:22:31,483 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:22:31,494 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:22:31,494 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:31" (1/1) ... [2022-11-20 18:22:31,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:22:31,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-11-20 18:22:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-20 18:22:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:22:31,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:31,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:22:31,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:22:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:22:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:22:31,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:22:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:22:31,751 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 18:22:31,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:22:31 ImpRootNode [2022-11-20 18:22:31,790 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:22:31,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:22:31,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:22:31,791 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:22:31,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:31" (3/4) ... [2022-11-20 18:22:31,807 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:22:31,862 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:22:31,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:22:31,863 INFO L158 Benchmark]: Toolchain (without parser) took 1007.66ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 67.5MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-20 18:22:31,877 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory was 109.0MB in the beginning and 108.9MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:22:31,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.52ms. Allocated memory is still 136.3MB. Free memory was 104.2MB in the beginning and 94.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:22:31,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.54ms. Allocated memory is still 136.3MB. Free memory was 94.3MB in the beginning and 93.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:22:31,879 INFO L158 Benchmark]: Boogie Preprocessor took 19.60ms. Allocated memory is still 136.3MB. Free memory was 93.1MB in the beginning and 91.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:22:31,880 INFO L158 Benchmark]: RCFGBuilder took 320.46ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 80.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:22:31,881 INFO L158 Benchmark]: CodeCheck took 306.75ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 69.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:22:31,881 INFO L158 Benchmark]: Witness Printer took 71.69ms. Allocated memory is still 136.3MB. Free memory was 68.7MB in the beginning and 67.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:22:31,886 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int low = __VERIFIER_nondet_int(); [L21] int mid = __VERIFIER_nondet_int(); [L22] int high = __VERIFIER_nondet_int(); [L23] low == 0 && mid >= 1 && high == 2*mid VAL [high=0, low=0, low == 0 && mid >= 1 && high == 2*mid=1, mid=1073741824] [L23] 2*mid VAL [high=0, low=0, low == 0 && mid >= 1 && high == 2*mid=1, mid=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory was 109.0MB in the beginning and 108.9MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.52ms. Allocated memory is still 136.3MB. Free memory was 104.2MB in the beginning and 94.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.54ms. Allocated memory is still 136.3MB. Free memory was 94.3MB in the beginning and 93.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.60ms. Allocated memory is still 136.3MB. Free memory was 93.1MB in the beginning and 91.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.46ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 80.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 306.75ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 69.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 71.69ms. Allocated memory is still 136.3MB. Free memory was 68.7MB in the beginning and 67.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:22:31,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dabe10-db04-43c1-b83b-590fd5b3e302/bin/ukojak-pZX7IvK2PQ/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(OVERFLOW)