./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/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_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/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_73dce9e6-09f1-4da9-8426-bcaa417e31e2/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 03:32:31,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:31,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:32:31,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:31,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:31,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:31,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:32:31,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:32:31,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:31,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:31,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:31,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:32:31,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:31,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:31,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:31,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:31,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:32:31,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:31,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:32:31,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:32:31,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:32:31,553 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:31,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:32:31,554 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:31,555 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:31,556 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:31,556 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:31,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:31,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:31,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:31,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:31,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:32:31,559 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:31,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:31,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:32:31,560 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_73dce9e6-09f1-4da9-8426-bcaa417e31e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c [2023-11-19 03:32:31,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:31,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:31,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:31,891 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:31,892 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:31,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2023-11-19 03:32:34,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:35,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:35,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2023-11-19 03:32:35,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/data/f341457e8/45190a5226124cdebc7c68bc7c3249d8/FLAG85d8578e3 [2023-11-19 03:32:35,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/data/f341457e8/45190a5226124cdebc7c68bc7c3249d8 [2023-11-19 03:32:35,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:35,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:35,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:35,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:35,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:35,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:35" (1/1) ... [2023-11-19 03:32:35,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c6893b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:35, skipping insertion in model container [2023-11-19 03:32:35,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:35" (1/1) ... [2023-11-19 03:32:35,382 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:35,693 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:32:36,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:36,046 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:36,070 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:32:36,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:36,223 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:32:36,231 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:36,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36 WrapperNode [2023-11-19 03:32:36,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:36,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:36,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:36,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:36,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,364 INFO L138 Inliner]: procedures = 178, calls = 229, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 925 [2023-11-19 03:32:36,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:36,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:36,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:36,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:36,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:36,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:36,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:36,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:36,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:36,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:36,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:36,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:36,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:32:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:32:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:32:36,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:32:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:32:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:32:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:32:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:32:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:32:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:32:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:36,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:36,839 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:36,842 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:38,189 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:39,277 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:39,277 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 03:32:39,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:39 BoogieIcfgContainer [2023-11-19 03:32:39,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:39,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:39,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:39,303 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:39,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:32:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2023-11-19 03:32:39,391 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2023-11-19 03:32:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:32:39,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:39,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:39,805 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 03:32:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2023-11-19 03:32:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2023-11-19 03:32:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:32:39,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:39,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,001 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 03:32:40,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 88 states and 141 transitions. [2023-11-19 03:32:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 141 transitions. [2023-11-19 03:32:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:32:40,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:40,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,142 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 03:32:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 89 states and 143 transitions. [2023-11-19 03:32:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2023-11-19 03:32:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:32:40,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:40,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,258 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 03:32:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2023-11-19 03:32:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2023-11-19 03:32:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:32:40,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:40,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,320 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 03:32:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 89 states and 137 transitions. [2023-11-19 03:32:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 137 transitions. [2023-11-19 03:32:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:32:40,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:40,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,408 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 03:32:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:40,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 89 states and 131 transitions. [2023-11-19 03:32:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions. [2023-11-19 03:32:40,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:32:40,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:40,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,502 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 03:32:50,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:32:50,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-19 03:32:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-19 03:32:50,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:32:50,569 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 03:32:50,577 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-19 03:32:50,603 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:32:50,607 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:32:50,609 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:32:50,610 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:32:50,610 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:32:50,610 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:32:50,610 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:32:50,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:32:50 ImpRootNode [2023-11-19 03:32:50,611 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:32:50,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:32:50,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:32:50,612 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:32:50,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:39" (3/4) ... [2023-11-19 03:32:50,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:32:50,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:32:50,634 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 135 nodes and edges [2023-11-19 03:32:50,636 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-19 03:32:50,638 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:32:50,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:32:50,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:32:50,807 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:32:50,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:32:50,808 INFO L158 Benchmark]: Toolchain (without parser) took 15502.12ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 92.5MB in the beginning and 61.4MB in the end (delta: 31.1MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,808 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:50,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 925.85ms. Allocated memory is still 132.1MB. Free memory was 92.5MB in the beginning and 63.1MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.24ms. Allocated memory is still 132.1MB. Free memory was 63.1MB in the beginning and 56.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,809 INFO L158 Benchmark]: Boogie Preprocessor took 189.54ms. Allocated memory is still 132.1MB. Free memory was 56.8MB in the beginning and 94.4MB in the end (delta: -37.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,810 INFO L158 Benchmark]: RCFGBuilder took 2731.29ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 94.4MB in the beginning and 61.3MB in the end (delta: 33.2MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,810 INFO L158 Benchmark]: CodeCheck took 11322.33ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 61.3MB in the beginning and 72.9MB in the end (delta: -11.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,811 INFO L158 Benchmark]: Witness Printer took 195.42ms. Allocated memory is still 192.9MB. Free memory was 72.9MB in the beginning and 61.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,813 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: 11.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 238 SdHoareTripleChecker+Valid, 10.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 75 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 462 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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: 1 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((i == 0) && (sum == 0)) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 925.85ms. Allocated memory is still 132.1MB. Free memory was 92.5MB in the beginning and 63.1MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.24ms. Allocated memory is still 132.1MB. Free memory was 63.1MB in the beginning and 56.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 189.54ms. Allocated memory is still 132.1MB. Free memory was 56.8MB in the beginning and 94.4MB in the end (delta: -37.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2731.29ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 94.4MB in the beginning and 61.3MB in the end (delta: 33.2MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. * CodeCheck took 11322.33ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 61.3MB in the beginning and 72.9MB in the end (delta: -11.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 195.42ms. Allocated memory is still 192.9MB. Free memory was 72.9MB in the beginning and 61.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:32:50,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73dce9e6-09f1-4da9-8426-bcaa417e31e2/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: TRUE