./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.13.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:42:35,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:42:35,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:42:35,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:42:35,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:42:35,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:42:35,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:42:35,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:42:35,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:42:35,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:42:35,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:42:35,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:42:35,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:42:35,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:42:35,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:42:35,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:42:35,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:42:35,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:42:35,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:42:35,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:42:35,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:42:35,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:42:35,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:42:35,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:42:35,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:42:35,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:42:35,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:42:35,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:42:35,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:42:35,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:42:35,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:42:35,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:42:35,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:42:35,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:42:35,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:42:35,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:42:35,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:42:35,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:42:35,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:42:35,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:42:35,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:42:35,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 21:42:35,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:42:35,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:42:35,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:42:35,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:42:35,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:42:35,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:42:35,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:42:35,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:42:35,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:42:35,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:42:35,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:42:35,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:42:35,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:42:35,175 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:42:35,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:42:35,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:42:35,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:42:35,176 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:42:35,176 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:42:35,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:42:35,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:42:35,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:42:35,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:42:35,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:42:35,178 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:42:35,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:42:35,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:42:35,178 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_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1acb0c0dcfb78ab47001eb57f5095348cf0ba1fe26db78bd8f7dfec538bac19a [2022-12-14 21:42:35,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:42:35,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:42:35,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:42:35,382 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:42:35,382 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:42:35,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/b.13.c [2022-12-14 21:42:37,950 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:42:38,073 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:42:38,073 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/sv-benchmarks/c/termination-restricted-15/b.13.c [2022-12-14 21:42:38,077 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/data/7e43d6cd5/1b174b855a78459a961547a7dd52e038/FLAG746814e08 [2022-12-14 21:42:38,088 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/data/7e43d6cd5/1b174b855a78459a961547a7dd52e038 [2022-12-14 21:42:38,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:42:38,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:42:38,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:42:38,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:42:38,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:42:38,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4086de30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38, skipping insertion in model container [2022-12-14 21:42:38,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:42:38,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:42:38,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:42:38,216 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:42:38,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:42:38,234 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:42:38,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38 WrapperNode [2022-12-14 21:42:38,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:42:38,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:42:38,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:42:38,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:42:38,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,256 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-12-14 21:42:38,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:42:38,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:42:38,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:42:38,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:42:38,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:42:38,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:42:38,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:42:38,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:42:38,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:42:38,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:42:38,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:42:38,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:42:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:42:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:42:38,385 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:42:38,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:42:38,446 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:42:38,461 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:42:38,461 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:42:38,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:42:38 BoogieIcfgContainer [2022-12-14 21:42:38,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:42:38,464 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:42:38,464 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:42:38,471 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:42:38,472 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:42:38" (1/1) ... [2022-12-14 21:42:38,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:42:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:38,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-12-14 21:42:38,520 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-12-14 21:42:38,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:42:38,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:38,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:38,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2022-12-14 21:42:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2022-12-14 21:42:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:42:38,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:38,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:38,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-12-14 21:42:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-12-14 21:42:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:42:38,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:38,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2022-12-14 21:42:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2022-12-14 21:42:38,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:42:38,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:38,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:39,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2022-12-14 21:42:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2022-12-14 21:42:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:42:39,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:39,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:39,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:39,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2022-12-14 21:42:39,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2022-12-14 21:42:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:42:39,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:39,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:42:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2022-12-14 21:42:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2022-12-14 21:42:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:42:39,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:39,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:39,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2022-12-14 21:42:39,730 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2022-12-14 21:42:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:42:39,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:39,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2022-12-14 21:42:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2022-12-14 21:42:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:42:40,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:40,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2022-12-14 21:42:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2022-12-14 21:42:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:42:40,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:40,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:42:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:40,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2022-12-14 21:42:40,490 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2022-12-14 21:42:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:42:40,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:40,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:40,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-12-14 21:42:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-12-14 21:42:40,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:42:40,636 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2022-12-14 21:42:40,643 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 21:42:40,678 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-12-14 21:42:40,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:42:40 ImpRootNode [2022-12-14 21:42:40,686 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:42:40,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:42:40,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:42:40,687 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:42:40,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:42:38" (3/4) ... [2022-12-14 21:42:40,690 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:42:40,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 21:42:40,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 21:42:40,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 21:42:40,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:42:40,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:42:40,733 INFO L158 Benchmark]: Toolchain (without parser) took 2641.71ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 77.7MB in the beginning and 97.0MB in the end (delta: -19.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-12-14 21:42:40,733 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:42:40,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.19ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 68.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 21:42:40,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.69ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:42:40,735 INFO L158 Benchmark]: Boogie Preprocessor took 13.49ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 65.9MB in the end (delta: 833.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:42:40,735 INFO L158 Benchmark]: RCFGBuilder took 192.74ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 55.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 21:42:40,735 INFO L158 Benchmark]: CodeCheck took 2222.48ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 55.9MB in the beginning and 100.1MB in the end (delta: -44.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:42:40,736 INFO L158 Benchmark]: Witness Printer took 45.43ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 97.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 21:42:40,738 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: 2.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 486 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 390 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 224 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1414 IncrementalHoareTripleChecker+Invalid, 1638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 224 mSolverCounterUnsat, 0 mSDtfsCounter, 1414 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 814 SyntacticMatches, 4 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3498 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 17/21 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 - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((0 <= z + 2147483648 && x <= 2147483647) && y <= 2147483647) || ((y <= 2147483646 && x <= z) && !(x <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.19ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 68.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.69ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 66.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.49ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 65.9MB in the end (delta: 833.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 192.74ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 55.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2222.48ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 55.9MB in the beginning and 100.1MB in the end (delta: -44.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.43ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 97.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:42:40,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e303057-1714-4c30-ab81-9fdf11c31557/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE