./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test24-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test24-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ --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 ba9918f9236391a08a9d6d8a63aa823d4042d99b397d7843518d83dccab2fbf8 --- 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-6b4ec56 [2022-11-20 17:25:30,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:25:30,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:25:30,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:25:30,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:25:30,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:25:30,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:25:30,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:25:30,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:25:30,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:25:30,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:25:30,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:25:30,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:25:30,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:25:30,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:25:30,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:25:30,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:25:30,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:25:30,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:25:30,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:25:30,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:25:30,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:25:30,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:25:30,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:25:30,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:25:30,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:25:30,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:25:30,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:25:30,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:25:30,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:25:30,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:25:30,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:25:30,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:25:30,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:25:30,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:25:30,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:25:30,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:25:30,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:25:30,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:25:30,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:25:30,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:25:30,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:25:30,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:25:30,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:25:30,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:25:30,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:25:30,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:25:30,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:25:30,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:25:30,406 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:25:30,407 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:25:30,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:25:30,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:25:30,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:25:30,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:25:30,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:25:30,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:25:30,409 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:25:30,409 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:25:30,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:25:30,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:25:30,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:25:30,410 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:25:30,411 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:25:30,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:25:30,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:30,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:25:30,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:25:30,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:25:30,412 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:25:30,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:25:30,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:25:30,414 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_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba9918f9236391a08a9d6d8a63aa823d4042d99b397d7843518d83dccab2fbf8 [2022-11-20 17:25:30,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:25:30,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:25:30,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:25:30,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:25:30,759 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:25:30,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-regression/test24-2.c [2022-11-20 17:25:33,914 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:25:34,158 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:25:34,159 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/sv-benchmarks/c/ldv-regression/test24-2.c [2022-11-20 17:25:34,166 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/data/fc703ab4d/348e66a5b6cc426885b771a0cac2f7a9/FLAGcc5c5ebd2 [2022-11-20 17:25:34,180 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/data/fc703ab4d/348e66a5b6cc426885b771a0cac2f7a9 [2022-11-20 17:25:34,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:25:34,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:25:34,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:34,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:25:34,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:25:34,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c135d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34, skipping insertion in model container [2022-11-20 17:25:34,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:25:34,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:25:34,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/sv-benchmarks/c/ldv-regression/test24-2.c[807,820] [2022-11-20 17:25:34,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:34,406 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:25:34,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/sv-benchmarks/c/ldv-regression/test24-2.c[807,820] [2022-11-20 17:25:34,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:34,462 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:25:34,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34 WrapperNode [2022-11-20 17:25:34,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:34,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:34,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:25:34,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:25:34,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,518 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-11-20 17:25:34,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:34,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:25:34,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:25:34,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:25:34,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,559 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:25:34,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:25:34,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:25:34,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:25:34,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:34,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:25:34,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:25:34,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:25:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:25:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:25:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:25:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:25:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:25:34,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:25:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:25:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:25:34,740 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:25:34,742 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:25:34,919 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:25:34,951 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:25:34,951 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:25:34,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:34 BoogieIcfgContainer [2022-11-20 17:25:34,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:25:34,955 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:25:34,955 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:25:34,983 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:25:34,983 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:34" (1/1) ... [2022-11-20 17:25:34,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:25:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-11-20 17:25:35,105 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-20 17:25:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:25:35,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:35,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-20 17:25:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-20 17:25:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:25:35,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:35,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 17:25:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 17:25:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:25:35,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:35,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:25:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-20 17:25:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-20 17:25:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:25:35,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:35,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-11-20 17:25:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-11-20 17:25:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:25:35,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:35,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:36,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-11-20 17:25:36,302 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-20 17:25:36,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:25:36,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:36,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:36,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2022-11-20 17:25:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-20 17:25:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:25:36,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:36,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:37,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2022-11-20 17:25:37,027 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-20 17:25:37,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:25:37,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:37,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2022-11-20 17:25:37,447 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-11-20 17:25:37,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:25:37,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:37,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:37,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:37,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2022-11-20 17:25:37,911 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-20 17:25:37,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:25:37,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:37,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2022-11-20 17:25:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-11-20 17:25:38,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:25:38,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:38,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2022-11-20 17:25:39,056 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-11-20 17:25:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:25:39,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:39,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:39,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2022-11-20 17:25:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-11-20 17:25:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:25:39,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:39,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2022-11-20 17:25:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-11-20 17:25:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:25:40,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:40,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:40,765 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2022-11-20 17:25:41,188 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-11-20 17:25:41,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:25:41,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2022-11-20 17:25:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-11-20 17:25:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:25:41,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:41,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 57 states and 61 transitions. [2022-11-20 17:25:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-11-20 17:25:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:25:42,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:42,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2022-11-20 17:25:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-11-20 17:25:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:25:43,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:43,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2022-11-20 17:25:44,709 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-11-20 17:25:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 17:25:44,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:44,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2022-11-20 17:25:45,732 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-11-20 17:25:45,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 17:25:45,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:45,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 69 states and 73 transitions. [2022-11-20 17:25:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-11-20 17:25:46,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 17:25:46,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:46,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2022-11-20 17:25:47,969 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-11-20 17:25:47,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 17:25:47,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:47,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 75 states and 79 transitions. [2022-11-20 17:25:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2022-11-20 17:25:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:25:49,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:49,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 78 states and 81 transitions. [2022-11-20 17:25:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2022-11-20 17:25:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 17:25:50,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:50,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-11-20 17:25:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 77 states and 80 transitions. [2022-11-20 17:25:51,168 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2022-11-20 17:25:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 17:25:51,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:51,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-20 17:26:11,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 76 states and 79 transitions. [2022-11-20 17:26:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2022-11-20 17:26:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 17:26:11,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:11,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-20 17:26:21,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2022-11-20 17:26:21,056 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-11-20 17:26:21,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 17:26:21,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:21,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-11-20 17:26:22,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2022-11-20 17:26:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2022-11-20 17:26:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 17:26:22,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:22,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 0 proven. 428 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-20 17:26:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2022-11-20 17:26:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2022-11-20 17:26:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 17:26:37,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:37,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:38,177 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-11-20 17:26:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 87 states and 96 transitions. [2022-11-20 17:26:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2022-11-20 17:26:43,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 17:26:43,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:43,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2022-11-20 17:26:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 76 states and 79 transitions. [2022-11-20 17:26:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2022-11-20 17:26:50,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:26:50,958 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2022-11-20 17:26:50,966 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 17:26:51,333 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:26:51,337 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:26:51,338 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-11-20 17:26:51,344 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 17:26:51,345 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:26:51,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:26:51 ImpRootNode [2022-11-20 17:26:51,345 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:26:51,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:26:51,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:26:51,346 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:26:51,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:34" (3/4) ... [2022-11-20 17:26:51,350 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:26:51,358 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-20 17:26:51,358 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:26:51,359 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:26:51,359 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:26:51,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:26:51,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:26:51,402 INFO L158 Benchmark]: Toolchain (without parser) took 77218.25ms. Allocated memory was 169.9MB in the beginning and 1.1GB in the end (delta: 880.8MB). Free memory was 125.4MB in the beginning and 615.3MB in the end (delta: -489.9MB). Peak memory consumption was 392.5MB. Max. memory is 16.1GB. [2022-11-20 17:26:51,403 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory was 75.6MB in the beginning and 75.5MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:51,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.51ms. Allocated memory is still 169.9MB. Free memory was 124.9MB in the beginning and 114.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:26:51,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.17ms. Allocated memory is still 169.9MB. Free memory was 114.4MB in the beginning and 112.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:51,404 INFO L158 Benchmark]: Boogie Preprocessor took 42.37ms. Allocated memory is still 169.9MB. Free memory was 112.8MB in the beginning and 111.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:51,405 INFO L158 Benchmark]: RCFGBuilder took 391.46ms. Allocated memory is still 169.9MB. Free memory was 111.6MB in the beginning and 98.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:26:51,406 INFO L158 Benchmark]: CodeCheck took 76390.83ms. Allocated memory was 169.9MB in the beginning and 1.1GB in the end (delta: 880.8MB). Free memory was 98.7MB in the beginning and 618.5MB in the end (delta: -519.8MB). Peak memory consumption was 363.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:51,406 INFO L158 Benchmark]: Witness Printer took 55.57ms. Allocated memory is still 1.1GB. Free memory was 618.5MB in the beginning and 615.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:26:51,409 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 75.9s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1898 SdHoareTripleChecker+Valid, 12.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1637 mSDsluCounter, 124 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2457 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7398 IncrementalHoareTripleChecker+Invalid, 9855 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2457 mSolverCounterUnsat, 120 mSDtfsCounter, 7398 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7760 GetRequests, 7174 SyntacticMatches, 84 SemanticMatches, 502 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120629 ImplicationChecksByTransitivity, 48.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 31.9s InterpolantComputationTime, 1160 NumberOfCodeBlocks, 1160 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1130 ConstructedInterpolants, 0 QuantifiedInterpolants, 3607 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 2870/7779 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 && unknown-#memory_int-unknown[pa][pa] <= 9 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (1 <= j && ad1 == 0) || (ad1 == 0 && j == 0) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory was 75.6MB in the beginning and 75.5MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.51ms. Allocated memory is still 169.9MB. Free memory was 124.9MB in the beginning and 114.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.17ms. Allocated memory is still 169.9MB. Free memory was 114.4MB in the beginning and 112.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.37ms. Allocated memory is still 169.9MB. Free memory was 112.8MB in the beginning and 111.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.46ms. Allocated memory is still 169.9MB. Free memory was 111.6MB in the beginning and 98.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 76390.83ms. Allocated memory was 169.9MB in the beginning and 1.1GB in the end (delta: 880.8MB). Free memory was 98.7MB in the beginning and 618.5MB in the end (delta: -519.8MB). Peak memory consumption was 363.1MB. Max. memory is 16.1GB. * Witness Printer took 55.57ms. Allocated memory is still 1.1GB. Free memory was 618.5MB in the beginning and 615.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:26:51,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4880fb11-4b39-479b-95b0-9412a3856ac9/bin/ukojak-pZX7IvK2PQ/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