./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/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_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/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_7dd8351b-4192-4767-bcef-4178c6e726df/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 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:57,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:57,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:10:57,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:10:57,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:10:57,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:57,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:57,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:57,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:57,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:57,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:57,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:57,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:10:57,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:10:57,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:10:57,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:57,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:57,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:57,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:57,894 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:57,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:57,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:10:57,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:57,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:57,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:57,897 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:57,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:57,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:57,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:57,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:57,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:57,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:57,901 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:10:57,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:10:57,901 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:57,902 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_7dd8351b-4192-4767-bcef-4178c6e726df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2023-11-23 20:10:58,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:58,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:58,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:58,264 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:58,264 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:58,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-23 20:11:01,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:02,161 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:02,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2023-11-23 20:11:02,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/data/63e4e0d49/ec5b2497c0a44a7391fd22335097704b/FLAG29b8e40ad [2023-11-23 20:11:02,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/data/63e4e0d49/ec5b2497c0a44a7391fd22335097704b [2023-11-23 20:11:02,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:02,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:02,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:02,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:02,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:02,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:02" (1/1) ... [2023-11-23 20:11:02,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb15114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:02, skipping insertion in model container [2023-11-23 20:11:02,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:02" (1/1) ... [2023-11-23 20:11:02,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:03,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:03,040 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:03,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:03,249 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:03,259 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:03,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03 WrapperNode [2023-11-23 20:11:03,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:03,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:03,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:03,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:03,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,467 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-11-23 20:11:03,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:03,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:03,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:03,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:03,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:03,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:03,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:03,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:03,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:03" (1/1) ... [2023-11-23 20:11:03,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:03,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:03,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:03,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dd8351b-4192-4767-bcef-4178c6e726df/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:11:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:11:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:11:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:11:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:11:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:11:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:11:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:11:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:11:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:11:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:11:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:11:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:03,985 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:03,987 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:05,459 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:07,034 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:07,035 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-23 20:11:07,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:07 BoogieIcfgContainer [2023-11-23 20:11:07,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:07,038 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:07,038 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:07,048 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:07,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:07" (1/1) ... [2023-11-23 20:11:07,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 211 transitions. [2023-11-23 20:11:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2023-11-23 20:11:07,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:11:07,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:11:07,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:07,467 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 20:11:07,531 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:11:07,533 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:11:07,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:07,541 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 20:11:07,550 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 20:11:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 132 states and 216 transitions. [2023-11-23 20:11:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 216 transitions. [2023-11-23 20:11:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:11:07,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:11:07,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:07,747 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 20:11:07,791 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:11:07,791 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:11:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:07,802 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 20:11:07,812 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 20:11:07,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-23 20:11:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-23 20:11:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:11:07,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:07,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 133 states and 215 transitions. [2023-11-23 20:11:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 215 transitions. [2023-11-23 20:11:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:11:07,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:08,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:08,070 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 20:11:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 133 states and 211 transitions. [2023-11-23 20:11:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2023-11-23 20:11:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:11:08,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,251 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 20:11:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 133 states and 205 transitions. [2023-11-23 20:11:08,363 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2023-11-23 20:11:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:11:08,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:08,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:08,469 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 20:11:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 133 states and 199 transitions. [2023-11-23 20:11:08,476 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2023-11-23 20:11:08,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:11:08,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:08,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:08,691 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 20:11:09,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:11:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 133 states and 193 transitions. [2023-11-23 20:11:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions. [2023-11-23 20:11:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:09,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:09,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:09,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:20,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:11:30,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:11:40,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:11:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:40,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 140 states and 202 transitions. [2023-11-23 20:11:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2023-11-23 20:11:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:40,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:40,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:40,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:40,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:40,794 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 20:11:40,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 140 states and 200 transitions. [2023-11-23 20:11:40,804 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 200 transitions. [2023-11-23 20:11:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:11:40,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:40,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:41,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:11:41,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:41,084 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 20:11:41,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:41,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 140 states and 198 transitions. [2023-11-23 20:11:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 198 transitions. [2023-11-23 20:11:41,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:11:41,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:41,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:41,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:11:41,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:41,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 142 states and 202 transitions. [2023-11-23 20:11:41,898 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 202 transitions. [2023-11-23 20:11:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:11:41,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:41,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:44,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:11:44,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:44,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 142 states and 202 transitions. [2023-11-23 20:11:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 202 transitions. [2023-11-23 20:11:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:11:44,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:44,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:50,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:11:50,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 142 states and 202 transitions. [2023-11-23 20:11:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 202 transitions. [2023-11-23 20:11:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:11:51,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:51,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:59,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:11:59,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:11:59,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 143 states and 204 transitions. [2023-11-23 20:11:59,224 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 204 transitions. [2023-11-23 20:11:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:11:59,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:59,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:04,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:12:04,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:04,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:04,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 143 states and 204 transitions. [2023-11-23 20:12:04,088 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 204 transitions. [2023-11-23 20:12:04,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:12:04,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:04,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms