./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/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_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/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 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:06,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:06,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:30:06,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:06,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:06,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:06,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:06,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:06,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:06,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:06,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:06,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:06,934 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:30:06,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:06,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:30:06,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:06,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:06,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:06,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:06,939 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:06,939 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:06,940 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:30:06,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:06,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:06,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:06,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:06,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:06,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:06,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:06,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:06,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:06,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:06,950 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:06,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:06,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:06,951 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_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2023-11-23 20:30:07,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:07,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:07,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:07,235 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:07,236 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:07,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-11-23 20:30:10,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:10,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:10,866 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-11-23 20:30:10,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/data/57edfbbc8/6ad5a5ce33464284a75d64b1f5d11ab6/FLAG7b30e3fcc [2023-11-23 20:30:10,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/data/57edfbbc8/6ad5a5ce33464284a75d64b1f5d11ab6 [2023-11-23 20:30:10,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:10,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:10,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:10,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:10,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:10,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:10" (1/1) ... [2023-11-23 20:30:10,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff98259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:10, skipping insertion in model container [2023-11-23 20:30:10,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:10" (1/1) ... [2023-11-23 20:30:11,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:11,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:11,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:11,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:11,876 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:11,883 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:11,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11 WrapperNode [2023-11-23 20:30:11,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:11,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:11,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:11,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:11,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:11,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,059 INFO L138 Inliner]: procedures = 208, calls = 288, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1380 [2023-11-23 20:30:12,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:12,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:12,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:12,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:12,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:12,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:12,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:12,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:12,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:11" (1/1) ... [2023-11-23 20:30:12,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:12,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:12,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:12,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:30:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:30:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:30:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:30:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:30:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:30:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:30:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:30:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:30:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:30:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:30:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:30:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:30:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:30:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:12,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:12,580 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:12,582 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:14,131 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:15,747 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:15,747 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-23 20:30:15,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:15 BoogieIcfgContainer [2023-11-23 20:30:15,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:15,751 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:15,751 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:15,763 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:15,763 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:15" (1/1) ... [2023-11-23 20:30:15,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2023-11-23 20:30:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2023-11-23 20:30:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:30:15,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:15,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:16,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:30:16,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:16,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 20:30:16,178 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:30:16,179 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:30:16,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:30:16,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:30:16,197 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 20:30:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-11-23 20:30:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-11-23 20:30:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:30:16,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:16,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:16,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:30:16,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:16,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-23 20:30:16,403 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:30:16,404 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:30:16,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:30:16,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:30:16,428 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 20:30:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 151 states and 245 transitions. [2023-11-23 20:30:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 245 transitions. [2023-11-23 20:30:16,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:30:16,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:16,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:16,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:30:16,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:16,606 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 20:30:16,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 151 states and 243 transitions. [2023-11-23 20:30:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 243 transitions. [2023-11-23 20:30:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:16,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:16,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:16,871 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 20:30:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 151 states and 239 transitions. [2023-11-23 20:30:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 239 transitions. [2023-11-23 20:30:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:30:16,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:16,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:30:17,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:17,050 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 20:30:17,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:17,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 151 states and 235 transitions. [2023-11-23 20:30:17,057 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 235 transitions. [2023-11-23 20:30:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:30:17,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:17,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:30:17,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:17,153 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 20:30:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 151 states and 229 transitions. [2023-11-23 20:30:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 229 transitions. [2023-11-23 20:30:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:30:17,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:17,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:30:17,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:17,386 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 20:30:27,420 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 [] [2023-11-23 20:30:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:27,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-23 20:30:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-23 20:30:27,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:30:27,461 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-23 20:30:27,470 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:30:27,499 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:30:27,504 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:30:27,505 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:30:27,505 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-23 20:30:27,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-23 20:30:27,512 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:30:27,512 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:30:27,513 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:30:27,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:30:27 ImpRootNode [2023-11-23 20:30:27,513 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:30:27,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:30:27,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:30:27,515 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:30:27,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:15" (3/4) ... [2023-11-23 20:30:27,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:30:27,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-23 20:30:27,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-23 20:30:27,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:30:27,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 245 nodes and edges [2023-11-23 20:30:27,551 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-23 20:30:27,554 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-23 20:30:27,556 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:30:27,787 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:30:27,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:30:27,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:30:27,789 INFO L158 Benchmark]: Toolchain (without parser) took 16860.57ms. Allocated memory was 132.1MB in the beginning and 245.4MB in the end (delta: 113.2MB). Free memory was 94.2MB in the beginning and 136.3MB in the end (delta: -42.1MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,791 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:27,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 953.13ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 58.2MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.48ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 58.2MB in the beginning and 165.6MB in the end (delta: -107.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,795 INFO L158 Benchmark]: Boogie Preprocessor took 160.86ms. Allocated memory is still 203.4MB. Free memory was 165.6MB in the beginning and 157.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,795 INFO L158 Benchmark]: RCFGBuilder took 3526.26ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 157.3MB in the beginning and 168.9MB in the end (delta: -11.6MB). Peak memory consumption was 126.9MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,796 INFO L158 Benchmark]: CodeCheck took 11762.65ms. Allocated memory is still 245.4MB. Free memory was 168.9MB in the beginning and 153.0MB in the end (delta: 15.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,797 INFO L158 Benchmark]: Witness Printer took 274.00ms. Allocated memory is still 245.4MB. Free memory was 153.0MB in the beginning and 136.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:30:27,800 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 4 procedures, 147 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 336 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 123 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 573 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 10 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 20 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: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 953.13ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 58.2MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.48ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 58.2MB in the beginning and 165.6MB in the end (delta: -107.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.86ms. Allocated memory is still 203.4MB. Free memory was 165.6MB in the beginning and 157.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3526.26ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 157.3MB in the beginning and 168.9MB in the end (delta: -11.6MB). Peak memory consumption was 126.9MB. Max. memory is 16.1GB. * CodeCheck took 11762.65ms. Allocated memory is still 245.4MB. Free memory was 168.9MB in the beginning and 153.0MB in the end (delta: 15.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Witness Printer took 274.00ms. Allocated memory is still 245.4MB. Free memory was 153.0MB in the beginning and 136.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-23 20:30:27,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e56622b-c61a-4e3e-8c9b-ef080ee211ef/bin/ukojak-verify-1t5iHCbJaC/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