./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ --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 1b2395776c1e1425b4f6f465f474a966203311ac5c873464051f0a05b88df0d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:39:51,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:39:51,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:39:51,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:39:51,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:39:51,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:39:51,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:39:51,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:39:51,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:39:51,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:39:51,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:39:51,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:39:51,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:39:51,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:39:51,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:39:51,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:39:51,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:39:51,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:39:51,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:39:51,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:39:51,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:39:51,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:39:51,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:39:51,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:39:51,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:39:51,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:39:51,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:39:51,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:39:51,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:39:51,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:39:51,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:39:51,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:39:51,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:39:51,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:39:51,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:39:51,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:39:51,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:39:51,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:39:51,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:39:51,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:39:51,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:39:51,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 00:39:51,217 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:39:51,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:39:51,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:39:51,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:39:51,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:39:51,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:39:51,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:39:51,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:39:51,220 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:39:51,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:39:51,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:39:51,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:39:51,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:39:51,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:39:51,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:39:51,222 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:39:51,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:39:51,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:39:51,223 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:39:51,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:39:51,223 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:39:51,224 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:39:51,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:39:51,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:51,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:39:51,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:39:51,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:39:51,225 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:39:51,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:39:51,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:39:51,226 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_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2395776c1e1425b4f6f465f474a966203311ac5c873464051f0a05b88df0d2 [2021-11-23 00:39:51,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:39:51,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:39:51,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:39:51,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:39:51,568 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:39:51,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i [2021-11-23 00:39:51,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/data/a533c8e04/0e277d50886a47f39360e911c2c50972/FLAGefd282f6e [2021-11-23 00:39:52,118 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:39:52,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i [2021-11-23 00:39:52,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/data/a533c8e04/0e277d50886a47f39360e911c2c50972/FLAGefd282f6e [2021-11-23 00:39:52,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/data/a533c8e04/0e277d50886a47f39360e911c2c50972 [2021-11-23 00:39:52,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:39:52,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:39:52,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:52,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:39:52,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:39:52,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f07f56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52, skipping insertion in model container [2021-11-23 00:39:52,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:39:52,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:52,729 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_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i[873,886] [2021-11-23 00:39:52,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:52,745 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:39:52,757 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_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/sv-benchmarks/c/loop-zilu/benchmark30_conjunctive.i[873,886] [2021-11-23 00:39:52,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:52,774 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:39:52,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52 WrapperNode [2021-11-23 00:39:52,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:52,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:52,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:39:52,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:39:52,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,815 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2021-11-23 00:39:52,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:52,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:39:52,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:39:52,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:39:52,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:39:52,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:39:52,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:39:52,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:39:52,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:52" (1/1) ... [2021-11-23 00:39:52,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:52,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:39:52,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:39:52,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:39:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:39:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:39:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:39:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:39:53,028 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:39:53,030 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:39:53,192 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:39:53,213 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:39:53,214 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:39:53,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:53 BoogieIcfgContainer [2021-11-23 00:39:53,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:39:53,217 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:39:53,218 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:39:53,229 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:39:53,229 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:53" (1/1) ... [2021-11-23 00:39:53,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:39:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-11-23 00:39:53,303 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-23 00:39:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:39:53,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:53,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:39:53,385 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:39:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:39:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:39:53,435 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:39:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:39:53,449 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-23 00:39:53,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:39:53 ImpRootNode [2021-11-23 00:39:53,472 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:39:53,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:39:53,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:39:53,473 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:39:53,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:53" (3/4) ... [2021-11-23 00:39:53,475 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:39:53,510 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:39:53,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:39:53,512 INFO L158 Benchmark]: Toolchain (without parser) took 993.95ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 43.4MB in the beginning and 59.9MB in the end (delta: -16.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:53,513 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 59.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:53,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.64ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 43.2MB in the beginning and 84.6MB in the end (delta: -41.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:39:53,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.15ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:53,516 INFO L158 Benchmark]: Boogie Preprocessor took 41.36ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:53,518 INFO L158 Benchmark]: RCFGBuilder took 356.96ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 72.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:39:53,519 INFO L158 Benchmark]: CodeCheck took 254.50ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 61.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:39:53,520 INFO L158 Benchmark]: Witness Printer took 37.59ms. Allocated memory is still 109.1MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:53,527 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, 13 locations, 4 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, PartialOrderReductionTime: 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, 4 NumberOfCodeBlocks, 4 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: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(y == x)) VAL [x=2147483647, y=2147483647] [L23] COND TRUE __VERIFIER_nondet_bool() [L24] x++ VAL [x=2147483647, x++=2147483647, y=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 59.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.64ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 43.2MB in the beginning and 84.6MB in the end (delta: -41.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.15ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.36ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.96ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 72.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 254.50ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 61.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 37.59ms. Allocated memory is still 109.1MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:39:53,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6ff02f-f4cb-486c-bbfd-4094b3a97711/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)