./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY --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 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:34:25,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:34:25,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:34:25,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:34:25,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:34:25,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:34:25,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:34:25,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:34:25,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:34:25,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:34:25,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:34:25,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:34:25,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:34:25,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:34:25,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:34:25,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:34:25,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:34:25,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:34:25,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:34:25,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:34:25,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:34:25,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:34:25,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:34:25,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:34:25,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:34:25,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:34:25,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:34:25,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:34:25,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:34:25,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:34:25,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:34:25,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:34:25,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:34:25,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:34:25,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:34:25,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:34:25,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:34:25,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:34:25,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:34:25,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:34:25,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:34:25,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 04:34:25,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:34:25,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:34:25,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:34:25,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:34:25,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:34:25,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:34:25,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:34:25,591 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:34:25,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:34:25,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:34:25,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:34:25,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:34:25,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:34:25,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:34:25,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:34:25,593 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:34:25,593 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:34:25,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:34:25,593 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:34:25,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:34:25,594 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:34:25,594 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:34:25,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:34:25,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:34:25,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:34:25,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:34:25,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:34:25,595 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:34:25,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:34:25,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:34:25,596 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_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836105bf2d2cb5db07e9d2fc670fa9e989ff3845 [2021-10-13 04:34:25,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:34:25,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:34:25,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:34:25,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:34:25,894 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:34:25,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2021-10-13 04:34:25,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/data/5128a1f4a/ae898322bca043feb8d7b0236f7dab0d/FLAGd7f7bab35 [2021-10-13 04:34:26,474 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:34:26,474 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i [2021-10-13 04:34:26,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/data/5128a1f4a/ae898322bca043feb8d7b0236f7dab0d/FLAGd7f7bab35 [2021-10-13 04:34:26,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/data/5128a1f4a/ae898322bca043feb8d7b0236f7dab0d [2021-10-13 04:34:26,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:34:26,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:34:26,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:34:26,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:34:26,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:34:26,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:34:26" (1/1) ... [2021-10-13 04:34:26,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e72306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:26, skipping insertion in model container [2021-10-13 04:34:26,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:34:26" (1/1) ... [2021-10-13 04:34:26,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:34:26,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:34:27,079 WARN L228 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_e47395d1-1592-4d63-8477-0d6d050404fa/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2021-10-13 04:34:27,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:34:27,102 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:34:27,117 WARN L228 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_e47395d1-1592-4d63-8477-0d6d050404fa/sv-benchmarks/c/loop-zilu/benchmark44_disjunctive.i[873,886] [2021-10-13 04:34:27,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:34:27,147 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:34:27,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27 WrapperNode [2021-10-13 04:34:27,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:34:27,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:34:27,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:34:27,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:34:27,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:34:27,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:34:27,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:34:27,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:34:27,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:34:27,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:34:27,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:34:27,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:34:27,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:34:27,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:34:27,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:34:27,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:34:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:34:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:34:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:34:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:34:27,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:34:27,533 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 04:34:27,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:34:27 BoogieIcfgContainer [2021-10-13 04:34:27,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:34:27,537 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:34:27,537 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:34:27,547 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:34:27,548 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:34:27" (1/1) ... [2021-10-13 04:34:27,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:34:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2021-10-13 04:34:27,590 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2021-10-13 04:34:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:34:27,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:27,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2021-10-13 04:34:27,786 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-10-13 04:34:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:34:27,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:27,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:27,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2021-10-13 04:34:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2021-10-13 04:34:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:34:27,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:27,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2021-10-13 04:34:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2021-10-13 04:34:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:34:28,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:28,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:34:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:34:28,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:34:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-10-13 04:34:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-10-13 04:34:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:34:28,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:34:28,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:34:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:34:28,054 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:34:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:34:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:34:28,125 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:34:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:34:28,147 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2021-10-13 04:34:28,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:34:28 ImpRootNode [2021-10-13 04:34:28,190 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:34:28,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:34:28,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:34:28,193 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:34:28,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:34:27" (3/4) ... [2021-10-13 04:34:28,195 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:34:28,245 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:34:28,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:34:28,251 INFO L168 Benchmark]: Toolchain (without parser) took 1417.08 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 63.6 MB in the beginning and 105.0 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:34:28,252 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 100.7 MB. Free memory was 79.7 MB in the beginning and 79.6 MB in the end (delta: 67.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:34:28,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.78 ms. Allocated memory is still 100.7 MB. Free memory was 63.5 MB in the beginning and 75.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:28,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.35 ms. Allocated memory is still 100.7 MB. Free memory was 75.7 MB in the beginning and 74.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:28,254 INFO L168 Benchmark]: Boogie Preprocessor took 18.66 ms. Allocated memory is still 100.7 MB. Free memory was 74.0 MB in the beginning and 73.1 MB in the end (delta: 919.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:28,257 INFO L168 Benchmark]: RCFGBuilder took 331.96 ms. Allocated memory is still 100.7 MB. Free memory was 73.1 MB in the beginning and 61.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:28,257 INFO L168 Benchmark]: CodeCheck took 653.75 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 60.9 MB in the beginning and 106.3 MB in the end (delta: -45.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:34:28,260 INFO L168 Benchmark]: Witness Printer took 54.17 ms. Allocated memory is still 130.0 MB. Free memory was 106.3 MB in the beginning and 105.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:34:28,263 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, 37 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 582.9ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 110 SDtfs, 36 SDslu, 0 SDs, 0 SdLazy, 212 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 104.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 98.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 14.5ms SsaConstructionTime, 89.2ms SatisfiabilityAnalysisTime, 126.0ms InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 30]: 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 !(!(x=0)) [L30] x+10 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 100.7 MB. Free memory was 79.7 MB in the beginning and 79.6 MB in the end (delta: 67.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 316.78 ms. Allocated memory is still 100.7 MB. Free memory was 63.5 MB in the beginning and 75.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.35 ms. Allocated memory is still 100.7 MB. Free memory was 75.7 MB in the beginning and 74.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.66 ms. Allocated memory is still 100.7 MB. Free memory was 74.0 MB in the beginning and 73.1 MB in the end (delta: 919.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 331.96 ms. Allocated memory is still 100.7 MB. Free memory was 73.1 MB in the beginning and 61.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 653.75 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 60.9 MB in the beginning and 106.3 MB in the end (delta: -45.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 54.17 ms. Allocated memory is still 130.0 MB. Free memory was 106.3 MB in the beginning and 105.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:34:28,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47395d1-1592-4d63-8477-0d6d050404fa/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...