./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/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_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/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 32bit --witnessprinter.graph.data.programhash f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 --- 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 21:41:13,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:41:13,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:41:13,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:41:13,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:41:13,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:41:13,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:41:13,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:41:13,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:41:13,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:41:13,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:41:13,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:41:13,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:41:13,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:41:13,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:41:13,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:41:13,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:41:13,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:41:13,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:41:13,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:41:13,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:41:13,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:41:13,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:41:13,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:41:13,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:41:13,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:41:13,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:41:13,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:41:13,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:41:13,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:41:13,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:41:13,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:41:13,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:41:13,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:41:13,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:41:13,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:41:13,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:41:13,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:41:13,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:41:13,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:41:13,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:41:13,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 21:41:13,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:41:13,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:41:13,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:41:13,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:41:13,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:41:13,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:41:13,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:41:13,364 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:41:13,364 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:41:13,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:41:13,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:41:13,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:41:13,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:41:13,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:41:13,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:41:13,370 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:41:13,370 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:41:13,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:41:13,371 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:41:13,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:41:13,371 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:41:13,371 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:41:13,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:41:13,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:41:13,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:41:13,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:41:13,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:41:13,372 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:41:13,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:41:13,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:41:13,373 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_781dbdcf-fa19-481a-87f5-80caccb9d8e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f29864c02f98221b6fcd1d486dfbdcb30bbbd96cdca4ed616b67652e37cda5f3 [2022-12-14 21:41:13,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:41:13,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:41:13,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:41:13,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:41:13,576 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:41:13,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2022-12-14 21:41:16,162 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:41:16,272 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:41:16,273 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/sv-benchmarks/c/termination-nla/sqrt2-both-nt.c [2022-12-14 21:41:16,277 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/data/44457cfb9/81f4e1e062694bc0bb7fd1a9fecaba7f/FLAG5f53090a2 [2022-12-14 21:41:16,286 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/data/44457cfb9/81f4e1e062694bc0bb7fd1a9fecaba7f [2022-12-14 21:41:16,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:41:16,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:41:16,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:41:16,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:41:16,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:41:16,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c1eac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16, skipping insertion in model container [2022-12-14 21:41:16,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:41:16,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:41:16,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:41:16,405 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:41:16,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:41:16,424 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:41:16,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16 WrapperNode [2022-12-14 21:41:16,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:41:16,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:41:16,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:41:16,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:41:16,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,445 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-12-14 21:41:16,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:41:16,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:41:16,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:41:16,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:41:16,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,457 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:41:16,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:41:16,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:41:16,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:41:16,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:41:16,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:41:16,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:41:16,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:41:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:41:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:41:16,550 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:41:16,552 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:41:16,683 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:41:16,696 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:41:16,697 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:41:16,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:41:16 BoogieIcfgContainer [2022-12-14 21:41:16,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:41:16,700 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:41:16,700 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:41:16,708 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:41:16,708 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:41:16" (1/1) ... [2022-12-14 21:41:16,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:41:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:16,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2022-12-14 21:41:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2022-12-14 21:41:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 21:41:16,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:16,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:16,835 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 21:41:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2022-12-14 21:41:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2022-12-14 21:41:16,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:41:16,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:16,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:16,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:41:16,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:16,883 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 21:41:16,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2022-12-14 21:41:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2022-12-14 21:41:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:41:16,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:16,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:16,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:41:16,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:16,950 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 21:41:17,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:17,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2022-12-14 21:41:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2022-12-14 21:41:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:41:17,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:17,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:17,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:41:17,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:17,043 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 21:41:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 56 states and 61 transitions. [2022-12-14 21:41:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-12-14 21:41:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:41:17,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:17,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:41:17,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:17,189 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 21:41:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:17,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2022-12-14 21:41:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2022-12-14 21:41:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:41:17,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:17,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:17,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:41:17,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:17,378 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 21:41:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2022-12-14 21:41:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2022-12-14 21:41:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:41:17,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:17,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:17,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:41:17,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:17,567 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 21:41:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2022-12-14 21:41:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2022-12-14 21:41:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:41:17,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:17,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:17,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:41:17,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:17,685 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 21:41:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:17,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2022-12-14 21:41:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2022-12-14 21:41:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:41:17,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:17,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:17,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:41:17,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:17,883 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 21:41:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 72 states and 85 transitions. [2022-12-14 21:41:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2022-12-14 21:41:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:41:18,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:18,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:18,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:41:18,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:18,170 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 21:41:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 76 states and 90 transitions. [2022-12-14 21:41:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 90 transitions. [2022-12-14 21:41:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:41:18,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:18,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:18,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:41:18,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:18,349 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 21:41:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:18,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 77 states and 92 transitions. [2022-12-14 21:41:18,464 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2022-12-14 21:41:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:41:18,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:18,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:18,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:41:18,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:18,532 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 21:41:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2022-12-14 21:41:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2022-12-14 21:41:18,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:41:18,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:18,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:18,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:41:18,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:18,685 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 21:41:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 92 states and 110 transitions. [2022-12-14 21:41:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2022-12-14 21:41:18,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 21:41:18,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:18,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:19,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 21:41:19,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:19,078 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 21:41:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:19,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 106 states and 126 transitions. [2022-12-14 21:41:19,260 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 126 transitions. [2022-12-14 21:41:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:41:19,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:19,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:19,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:41:19,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:19,290 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 21:41:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 108 states and 130 transitions. [2022-12-14 21:41:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2022-12-14 21:41:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 21:41:19,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:19,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:19,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:41:19,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:19,352 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 21:41:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 111 states and 135 transitions. [2022-12-14 21:41:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2022-12-14 21:41:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 21:41:19,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:19,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:19,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:41:19,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:19,520 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 21:41:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 115 states and 142 transitions. [2022-12-14 21:41:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 142 transitions. [2022-12-14 21:41:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:41:19,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:19,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:19,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:41:19,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:19,808 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 21:41:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 121 states and 150 transitions. [2022-12-14 21:41:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 150 transitions. [2022-12-14 21:41:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:41:20,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:20,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:41:20,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:41:20,252 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 21:41:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 141 states and 174 transitions. [2022-12-14 21:41:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 174 transitions. [2022-12-14 21:41:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:41:20,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:20,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:41:20,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:41:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:41:20,915 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2022-12-14 21:41:20,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:41:20 ImpRootNode [2022-12-14 21:41:20,936 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:41:20,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:41:20,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:41:20,937 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:41:20,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:41:16" (3/4) ... [2022-12-14 21:41:20,939 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 21:41:20,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:41:20,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:41:20,974 INFO L158 Benchmark]: Toolchain (without parser) took 4684.17ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 81.5MB in the beginning and 57.6MB in the end (delta: 23.9MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2022-12-14 21:41:20,974 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:41:20,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 134.58ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 72.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 21:41:20,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.33ms. Allocated memory is still 121.6MB. Free memory was 71.9MB in the beginning and 70.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:41:20,976 INFO L158 Benchmark]: Boogie Preprocessor took 12.94ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 69.7MB in the end (delta: 808.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:41:20,976 INFO L158 Benchmark]: RCFGBuilder took 240.55ms. Allocated memory is still 121.6MB. Free memory was 69.7MB in the beginning and 57.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 21:41:20,977 INFO L158 Benchmark]: CodeCheck took 4236.00ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 57.3MB in the beginning and 58.6MB in the end (delta: -1.3MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2022-12-14 21:41:20,978 INFO L158 Benchmark]: Witness Printer took 36.31ms. Allocated memory is still 146.8MB. Free memory was 58.6MB in the beginning and 57.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:41:20,981 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, 48 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1427 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1322 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 289 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3474 IncrementalHoareTripleChecker+Invalid, 3763 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 289 mSolverCounterUnsat, 38 mSDtfsCounter, 3474 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1745 GetRequests, 1509 SyntacticMatches, 90 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12989 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 1397 SizeOfPredicates, 2 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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: 36]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int s, t, i, j; [L22] i = __VERIFIER_nondet_int() [L23] j = __VERIFIER_nondet_int() [L25] s = 1 [L26] t = 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 VAL [i=1, j=2147483647, s=1, t=1] [L28] EXPR t*t - 4*s + 2*t + 1 + i VAL [i=1, j=2147483647, s=1, t=1] [L28] COND TRUE t*t - 4*s + 2*t + 1 + i >= 0 VAL [i=1, j=2147483647, s=1, t=1] [L34] EXPR t + 2 [L34] t = t + 2 VAL [i=1, j=2147483647, s=1, t=3] [L35] EXPR s + t [L35] s = s + t VAL [i=1, j=2147483647, s=4, t=3] [L36] i + j VAL [i=1, j=2147483647, s=4, t=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 134.58ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 72.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.33ms. Allocated memory is still 121.6MB. Free memory was 71.9MB in the beginning and 70.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.94ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 69.7MB in the end (delta: 808.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 240.55ms. Allocated memory is still 121.6MB. Free memory was 69.7MB in the beginning and 57.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 4236.00ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 57.3MB in the beginning and 58.6MB in the end (delta: -1.3MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Witness Printer took 36.31ms. Allocated memory is still 146.8MB. Free memory was 58.6MB in the beginning and 57.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 21:41:20,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781dbdcf-fa19-481a-87f5-80caccb9d8e4/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)