./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d58aef03dc2fe431ae64b58dbfc6212a753bbb0cfd9075d0625dfccf3065615f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:19,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:20,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:20:20,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:20,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:20,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:20,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:20,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:20,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:20,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:20,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:20,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:20,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:20,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:20,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:20,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:20,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:20,205 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:20,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:20,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:20,207 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:20,208 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:20,209 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:20,209 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:20,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:20,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:20,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:20,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:20,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:20,213 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:20,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:20,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:20,215 INFO L153 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_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58aef03dc2fe431ae64b58dbfc6212a753bbb0cfd9075d0625dfccf3065615f [2023-11-23 20:20:20,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:20,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:20,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:20,605 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:20,606 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:20,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2023-11-23 20:20:23,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:24,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:24,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2023-11-23 20:20:24,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/data/62f1633fa/ad2f99f67de54b5091faad47c34e0ea8/FLAG4cb2a8174 [2023-11-23 20:20:24,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/data/62f1633fa/ad2f99f67de54b5091faad47c34e0ea8 [2023-11-23 20:20:24,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:24,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:24,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:24,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:24,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:24,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:24" (1/1) ... [2023-11-23 20:20:24,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50381bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:24, skipping insertion in model container [2023-11-23 20:20:24,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:24" (1/1) ... [2023-11-23 20:20:24,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:25,069 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:26,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:26,540 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:26,575 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:26,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:27,078 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:27,079 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:27,079 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:27,079 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:27,080 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:27,080 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:27,088 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:27,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27 WrapperNode [2023-11-23 20:20:27,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:27,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:27,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:27,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:27,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,198 INFO L138 Inliner]: procedures = 939, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-11-23 20:20:27,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:27,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:27,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:27,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:27,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:27,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:27,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:27,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:27,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:27,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:27,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:27,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:20:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:20:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:20:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:20:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:20:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:20:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:20:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:27,545 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:27,547 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:27,681 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:27,726 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:27,726 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:20:27,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:27 BoogieIcfgContainer [2023-11-23 20:20:27,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:27,729 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:27,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:27,740 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:27,740 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:27" (1/1) ... [2023-11-23 20:20:27,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:20:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:20:27,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:20:27,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:27,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:20:28,207 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:20:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:28,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:28,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 20:20:38,413 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:20:38,418 INFO L158 Benchmark]: Toolchain (without parser) took 13945.55ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 101.8MB in the beginning and 80.2MB in the end (delta: 21.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-23 20:20:38,418 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 153.1MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:38,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2614.57ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 101.8MB in the beginning and 126.4MB in the end (delta: -24.6MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2023-11-23 20:20:38,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.46ms. Allocated memory is still 192.9MB. Free memory was 126.4MB in the beginning and 123.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:20:38,421 INFO L158 Benchmark]: Boogie Preprocessor took 69.41ms. Allocated memory is still 192.9MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:38,422 INFO L158 Benchmark]: RCFGBuilder took 459.19ms. Allocated memory is still 192.9MB. Free memory was 121.1MB in the beginning and 104.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:20:38,426 INFO L158 Benchmark]: CodeCheck took 10686.87ms. Allocated memory is still 192.9MB. Free memory was 104.4MB in the beginning and 80.2MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:38,436 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 153.1MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2614.57ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 101.8MB in the beginning and 126.4MB in the end (delta: -24.6MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.46ms. Allocated memory is still 192.9MB. Free memory was 126.4MB in the beginning and 123.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.41ms. Allocated memory is still 192.9MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.19ms. Allocated memory is still 192.9MB. Free memory was 121.1MB in the beginning and 104.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10686.87ms. Allocated memory is still 192.9MB. Free memory was 104.4MB in the beginning and 80.2MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:20:38,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d58aef03dc2fe431ae64b58dbfc6212a753bbb0cfd9075d0625dfccf3065615f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:41,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:41,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:20:41,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:41,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:41,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:41,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:41,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:41,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:41,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:41,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:41,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:41,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:41,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:41,532 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:20:41,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:20:41,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:41,533 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:20:41,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:41,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:41,535 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:41,536 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:41,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:41,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:41,537 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:41,538 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:20:41,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:41,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:41,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:41,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:41,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:41,541 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:20:41,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:41,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:41,542 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:20:41,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:20:41,543 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58aef03dc2fe431ae64b58dbfc6212a753bbb0cfd9075d0625dfccf3065615f [2023-11-23 20:20:42,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:42,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:42,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:42,035 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:42,036 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:42,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2023-11-23 20:20:45,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:45,824 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:45,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2023-11-23 20:20:45,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/data/d09cea58b/acbbaf8abb944da091f77188c397e81f/FLAG5d79e10f8 [2023-11-23 20:20:45,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/data/d09cea58b/acbbaf8abb944da091f77188c397e81f [2023-11-23 20:20:45,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:45,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:45,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:45,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:45,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:45,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:45,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bcc4f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:45, skipping insertion in model container [2023-11-23 20:20:45,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:45" (1/1) ... [2023-11-23 20:20:46,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:46,573 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:47,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:47,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:47,763 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:47,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:48,312 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:48,312 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:48,312 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:48,313 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:48,313 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:48,313 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:48,321 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:48,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48 WrapperNode [2023-11-23 20:20:48,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:48,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:48,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:48,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:48,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,432 INFO L138 Inliner]: procedures = 944, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2023-11-23 20:20:48,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:48,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:48,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:48,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:48,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:48,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:48,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:48,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:48,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:48" (1/1) ... [2023-11-23 20:20:48,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:48,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:48,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:48,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:20:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:20:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:20:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:20:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:20:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:20:48,840 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:48,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:51,088 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:51,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:51,135 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:20:51,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:51 BoogieIcfgContainer [2023-11-23 20:20:51,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:51,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:51,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:51,149 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:51,149 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:51" (1/1) ... [2023-11-23 20:20:51,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:20:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:20:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:20:51,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:51,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:51,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:51,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:51,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf8cae2-5c9f-45dd-ac9a-8c8c30ce7b46/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process