./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaA1.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_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/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_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaA1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/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_f7af2828-c030-44e8-b003-ef9aa96983fc/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 ab6c18b18e668cddc67355c8fe64fffbf634b674076a13c061b751962efeb393 --- 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 19:18:55,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:18:55,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:18:55,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:18:55,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:18:55,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:18:55,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:18:55,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:18:55,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:18:55,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:18:55,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:18:55,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:18:55,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:18:55,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:18:55,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:18:55,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:18:55,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:18:55,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:18:55,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:18:55,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:18:55,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:18:55,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:18:55,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:18:55,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:18:55,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:18:55,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:18:55,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:18:55,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:18:55,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:18:55,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:18:55,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:18:55,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:18:55,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:18:55,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:18:55,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:18:55,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:18:55,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:18:55,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:18:55,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:18:55,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:18:55,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:18:55,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 19:18:55,167 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:18:55,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:18:55,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:18:55,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:18:55,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:18:55,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:18:55,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:18:55,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:18:55,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:18:55,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:18:55,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:18:55,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:18:55,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:18:55,171 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:18:55,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:18:55,171 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:18:55,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:18:55,172 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:18:55,172 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:18:55,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:18:55,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:18:55,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:18:55,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:18:55,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:18:55,173 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:18:55,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:18:55,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:18:55,174 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_f7af2828-c030-44e8-b003-ef9aa96983fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab6c18b18e668cddc67355c8fe64fffbf634b674076a13c061b751962efeb393 [2022-12-14 19:18:55,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:18:55,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:18:55,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:18:55,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:18:55,384 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:18:55,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/PastaA1.c [2022-12-14 19:18:57,917 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:18:58,052 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:18:58,052 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/sv-benchmarks/c/termination-restricted-15/PastaA1.c [2022-12-14 19:18:58,056 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/data/2b73bb48c/4abfcf422e6440e3bad6195a98e6ca25/FLAGe58ca4dba [2022-12-14 19:18:58,069 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/data/2b73bb48c/4abfcf422e6440e3bad6195a98e6ca25 [2022-12-14 19:18:58,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:18:58,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:18:58,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:18:58,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:18:58,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:18:58,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507ad68b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58, skipping insertion in model container [2022-12-14 19:18:58,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:18:58,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:18:58,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:18:58,235 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:18:58,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:18:58,254 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:18:58,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58 WrapperNode [2022-12-14 19:18:58,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:18:58,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:18:58,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:18:58,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:18:58,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,277 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-12-14 19:18:58,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:18:58,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:18:58,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:18:58,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:18:58,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:18:58,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:18:58,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:18:58,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:18:58,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:18:58,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:18:58,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:18:58,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:18:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:18:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:18:58,414 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:18:58,416 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:18:58,466 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:18:58,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:18:58,480 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 19:18:58,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:18:58 BoogieIcfgContainer [2022-12-14 19:18:58,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:18:58,483 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:18:58,483 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:18:58,490 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:18:58,491 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:18:58" (1/1) ... [2022-12-14 19:18:58,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:18:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-14 19:18:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-14 19:18:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:18:58,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:58,638 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 19:18:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-12-14 19:18:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-14 19:18:58,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:18:58,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:58,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:58,701 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 19:18:58,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-14 19:18:58,781 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-14 19:18:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:18:58,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:58,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:58,813 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 19:18:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-12-14 19:18:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-12-14 19:18:58,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:18:58,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:58,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:18:59,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-12-14 19:18:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-12-14 19:18:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:18:59,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:59,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:59,199 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 19:18:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-12-14 19:18:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-14 19:18:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:18:59,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:59,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:18:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2022-12-14 19:18:59,392 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-12-14 19:18:59,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:18:59,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:59,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:18:59,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:59,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-14 19:18:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-14 19:18:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 19:18:59,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:59,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:18:59,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-12-14 19:18:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-12-14 19:18:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 19:18:59,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:59,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:18:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-14 19:18:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-14 19:18:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:18:59,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:59,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:19:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:19:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 19:19:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:19:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-12-14 19:19:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-12-14 19:19:00,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:19:00,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:19:00,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:19:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:19:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 19:19:00,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:19:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-14 19:19:00,231 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-14 19:19:00,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:19:00,231 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2022-12-14 19:19:00,238 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 19:19:00,333 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-14 19:19:00,340 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 19:19:00,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:19:00 ImpRootNode [2022-12-14 19:19:00,341 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:19:00,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:19:00,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:19:00,342 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:19:00,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:18:58" (3/4) ... [2022-12-14 19:19:00,345 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:19:00,352 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 19:19:00,352 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 19:19:00,353 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 19:19:00,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:19:00,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:19:00,380 INFO L158 Benchmark]: Toolchain (without parser) took 2307.76ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 119.2MB in the beginning and 126.5MB in the end (delta: -7.4MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-12-14 19:19:00,381 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:19:00,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.26ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 110.1MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:19:00,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.63ms. Allocated memory is still 151.0MB. Free memory was 110.1MB in the beginning and 108.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:19:00,382 INFO L158 Benchmark]: Boogie Preprocessor took 15.88ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 107.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:19:00,383 INFO L158 Benchmark]: RCFGBuilder took 187.67ms. Allocated memory is still 151.0MB. Free memory was 107.6MB in the beginning and 98.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 19:19:00,383 INFO L158 Benchmark]: CodeCheck took 1858.59ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 98.0MB in the beginning and 128.5MB in the end (delta: -30.6MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2022-12-14 19:19:00,383 INFO L158 Benchmark]: Witness Printer took 38.19ms. Allocated memory is still 182.5MB. Free memory was 128.5MB in the beginning and 126.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:19:00,386 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 337 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 275 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1048 IncrementalHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 275 mSolverCounterUnsat, 42 mSDtfsCounter, 1048 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 766 GetRequests, 673 SyntacticMatches, 17 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2516 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 38/51 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: 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: ((x <= 2147483647 && 0 <= y) && y + 1 <= x) || ((x <= 2147483647 && !(y + 1 <= x)) && 1 <= x) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.26ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 110.1MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.63ms. Allocated memory is still 151.0MB. Free memory was 110.1MB in the beginning and 108.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.88ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 107.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 187.67ms. Allocated memory is still 151.0MB. Free memory was 107.6MB in the beginning and 98.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1858.59ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 98.0MB in the beginning and 128.5MB in the end (delta: -30.6MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 38.19ms. Allocated memory is still 182.5MB. Free memory was 128.5MB in the beginning and 126.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 19:19:00,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7af2828-c030-44e8-b003-ef9aa96983fc/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