./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg --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 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 --- 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-b5237d8 [2022-11-21 22:58:01,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:58:01,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:58:01,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:58:01,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:58:01,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:58:01,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:58:01,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:58:01,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:58:01,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:58:01,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:58:01,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:58:01,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:58:01,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:58:01,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:58:01,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:58:01,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:58:01,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:58:01,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:58:01,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:58:01,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:58:01,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:58:01,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:58:01,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:58:01,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:58:01,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:58:01,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:58:01,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:58:01,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:58:01,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:58:01,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:58:01,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:58:01,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:58:01,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:58:01,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:58:01,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:58:01,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:58:01,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:58:01,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:58:01,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:58:01,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:58:01,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:58:01,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:58:01,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:58:01,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:58:01,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:58:01,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:58:01,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:58:01,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:58:01,428 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:58:01,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:58:01,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:58:01,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:58:01,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:58:01,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:58:01,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:58:01,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:58:01,429 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:58:01,429 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:58:01,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:58:01,430 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:58:01,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:58:01,430 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:58:01,430 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:58:01,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:58:01,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:58:01,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:58:01,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:58:01,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:58:01,431 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:58:01,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:58:01,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:58:01,432 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_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 [2022-11-21 22:58:01,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:58:01,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:58:01,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:58:01,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:58:01,783 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:58:01,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2022-11-21 22:58:04,890 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:58:05,107 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:58:05,108 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2022-11-21 22:58:05,114 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/data/7c4b8cf51/b526646594d84a8cae843a8c483fd1ad/FLAG9089fbdc5 [2022-11-21 22:58:05,128 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/data/7c4b8cf51/b526646594d84a8cae843a8c483fd1ad [2022-11-21 22:58:05,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:58:05,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:58:05,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:58:05,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:58:05,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:58:05,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5598f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05, skipping insertion in model container [2022-11-21 22:58:05,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:58:05,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:58:05,327 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_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2022-11-21 22:58:05,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:58:05,346 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:58:05,359 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_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2022-11-21 22:58:05,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:58:05,384 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:58:05,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05 WrapperNode [2022-11-21 22:58:05,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:58:05,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:58:05,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:58:05,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:58:05,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,416 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2022-11-21 22:58:05,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:58:05,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:58:05,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:58:05,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:58:05,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:58:05,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:58:05,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:58:05,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:58:05,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:58:05,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:58:05,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:58:05,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:58:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:58:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:58:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:58:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:58:05,614 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:58:05,616 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:58:05,823 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:58:05,847 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:58:05,847 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:58:05,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:58:05 BoogieIcfgContainer [2022-11-21 22:58:05,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:58:05,851 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:58:05,851 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:58:05,862 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:58:05,862 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:58:05" (1/1) ... [2022-11-21 22:58:05,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:58:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:58:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2022-11-21 22:58:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-11-21 22:58:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:58:05,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:58:05,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:58:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:58:06,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:58:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:58:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:58:06,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:58:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:58:06,080 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-21 22:58:06,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:58:06 ImpRootNode [2022-11-21 22:58:06,106 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:58:06,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:58:06,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:58:06,107 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:58:06,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:58:05" (3/4) ... [2022-11-21 22:58:06,110 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:58:06,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9d0a04a-e8d3-4d18-ac82-92d41f16e3e9/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:58:06,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:58:06,141 INFO L158 Benchmark]: Toolchain (without parser) took 1008.25ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 67.0MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-21 22:58:06,141 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:58:06,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.77ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 93.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:58:06,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.09ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:58:06,143 INFO L158 Benchmark]: Boogie Preprocessor took 41.89ms. Allocated memory is still 148.9MB. Free memory was 91.7MB in the beginning and 90.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:58:06,144 INFO L158 Benchmark]: RCFGBuilder took 391.28ms. Allocated memory is still 148.9MB. Free memory was 90.4MB in the beginning and 79.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:58:06,145 INFO L158 Benchmark]: CodeCheck took 254.88ms. Allocated memory is still 148.9MB. Free memory was 79.6MB in the beginning and 68.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:58:06,146 INFO L158 Benchmark]: Witness Printer took 32.87ms. Allocated memory is still 148.9MB. Free memory was 68.6MB in the beginning and 67.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:58:06,150 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, 17 locations, 6 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, 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int j = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(i 0)) VAL [i=0, j=1, k=2147483647] [L24] COND TRUE i