./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL --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 32bit --witnessprinter.graph.data.programhash 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:18,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:18,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:44:18,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:18,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:18,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:18,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:18,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:18,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:18,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:18,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:18,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:18,907 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:44:18,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:18,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:44:18,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:18,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:18,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:18,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:18,912 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:44:18,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:44:18,913 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:44:18,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:18,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:18,915 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:18,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:18,916 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:18,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:18,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:18,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:18,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:18,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:18,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:18,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:18,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:18,919 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_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c [2023-11-19 03:44:19,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:19,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:19,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:19,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:19,206 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:19,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i [2023-11-19 03:44:22,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:22,533 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:22,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test1-2.i [2023-11-19 03:44:22,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/data/63af5b6d6/805e5a6c83a74306966ee9506e87c88e/FLAG6b9d6158e [2023-11-19 03:44:22,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/data/63af5b6d6/805e5a6c83a74306966ee9506e87c88e [2023-11-19 03:44:22,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:22,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:22,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:22,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:22,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:22,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:22" (1/1) ... [2023-11-19 03:44:22,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@868d6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:22, skipping insertion in model container [2023-11-19 03:44:22,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:22" (1/1) ... [2023-11-19 03:44:22,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:22,959 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:44:23,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:23,325 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:23,356 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:44:23,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:23,540 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:44:23,550 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:23,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23 WrapperNode [2023-11-19 03:44:23,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:23,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:23,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:23,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:23,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,703 INFO L138 Inliner]: procedures = 178, calls = 229, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 925 [2023-11-19 03:44:23,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:23,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:23,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:23,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:23,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:23,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:23,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:23,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:23,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:23" (1/1) ... [2023-11-19 03:44:23,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:23,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:23,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:44:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:44:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:44:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:44:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:44:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:44:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:44:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:44:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:44:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:44:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:44:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:24,281 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:24,283 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:25,866 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:26,912 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:26,912 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 03:44:26,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:26 BoogieIcfgContainer [2023-11-19 03:44:26,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:26,919 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:26,919 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:26,928 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:26,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:26" (1/1) ... [2023-11-19 03:44:26,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2023-11-19 03:44:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2023-11-19 03:44:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:44:26,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:26,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2023-11-19 03:44:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2023-11-19 03:44:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:44:27,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 88 states and 141 transitions. [2023-11-19 03:44:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 141 transitions. [2023-11-19 03:44:27,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:44:27,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:27,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 89 states and 143 transitions. [2023-11-19 03:44:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2023-11-19 03:44:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:44:27,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:27,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:27,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2023-11-19 03:44:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2023-11-19 03:44:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:44:27,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:27,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 89 states and 137 transitions. [2023-11-19 03:44:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 137 transitions. [2023-11-19 03:44:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:44:27,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:27,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 89 states and 131 transitions. [2023-11-19 03:44:28,002 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions. [2023-11-19 03:44:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:44:28,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:28,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:38,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:44:38,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2023-11-19 03:44:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2023-11-19 03:44:38,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:44:38,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:38,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:49,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:44:59,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:45:09,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:45:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 88 states and 121 transitions. [2023-11-19 03:45:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions. [2023-11-19 03:45:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:45:09,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:09,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:11,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:45:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 119 transitions. [2023-11-19 03:45:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2023-11-19 03:45:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:45:11,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:45:21,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:45:27,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:45:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 03:45:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 03:45:27,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:45:27,456 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-19 03:45:27,465 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-19 03:45:27,532 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:45:27,540 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-19 03:45:27,541 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:45:27,542 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:45:27,543 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:45:27,543 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:45:27,543 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:45:27,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:45:27 ImpRootNode [2023-11-19 03:45:27,545 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:45:27,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:45:27,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:45:27,546 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:45:27,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:26" (3/4) ... [2023-11-19 03:45:27,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:45:27,553 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:45:27,575 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 135 nodes and edges [2023-11-19 03:45:27,576 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-19 03:45:27,578 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:45:27,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:45:27,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:45:27,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:45:27,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:45:27,808 INFO L158 Benchmark]: Toolchain (without parser) took 65229.42ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 123.8MB in the beginning and 84.2MB in the end (delta: 39.6MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2023-11-19 03:45:27,809 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:45:27,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 971.68ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 108.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:45:27,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.07ms. Allocated memory is still 161.5MB. Free memory was 108.8MB in the beginning and 101.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:45:27,810 INFO L158 Benchmark]: Boogie Preprocessor took 201.25ms. Allocated memory is still 161.5MB. Free memory was 101.8MB in the beginning and 95.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:45:27,811 INFO L158 Benchmark]: RCFGBuilder took 3011.50ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 94.8MB in the beginning and 136.9MB in the end (delta: -42.1MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2023-11-19 03:45:27,811 INFO L158 Benchmark]: CodeCheck took 60626.34ms. Allocated memory was 195.0MB in the beginning and 237.0MB in the end (delta: 41.9MB). Free memory was 136.9MB in the beginning and 96.7MB in the end (delta: 40.2MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2023-11-19 03:45:27,812 INFO L158 Benchmark]: Witness Printer took 261.27ms. Allocated memory is still 237.0MB. Free memory was 96.7MB in the beginning and 84.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:45:27,814 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 85 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 60.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 653 SdHoareTripleChecker+Valid, 150.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 312 SdHoareTripleChecker+Invalid, 150.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 352 IncrementalHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 232 mSDtfsCounter, 352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1086 GetRequests, 1041 SyntacticMatches, 15 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 2/2 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: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: 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: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((i == 0) && (sum == 0)) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 971.68ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 108.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.07ms. Allocated memory is still 161.5MB. Free memory was 108.8MB in the beginning and 101.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 201.25ms. Allocated memory is still 161.5MB. Free memory was 101.8MB in the beginning and 95.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3011.50ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 94.8MB in the beginning and 136.9MB in the end (delta: -42.1MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. * CodeCheck took 60626.34ms. Allocated memory was 195.0MB in the beginning and 237.0MB in the end (delta: 41.9MB). Free memory was 136.9MB in the beginning and 96.7MB in the end (delta: 40.2MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. * Witness Printer took 261.27ms. Allocated memory is still 237.0MB. Free memory was 96.7MB in the beginning and 84.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:45:27,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c847eac3-64d9-49ab-935c-573bf56f89ae/bin/ukojak-verify-G8NBE6pJGL/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