./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.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_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/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_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/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_45103de2-adfb-420f-9901-2c4933835e93/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 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:42,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:42,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:06:42,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:42,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:42,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:42,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:42,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:42,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:42,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:42,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:42,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:42,672 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:06:42,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:42,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:06:42,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:42,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:42,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:42,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:42,676 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:06:42,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:06:42,677 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:06:42,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:42,679 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:42,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:42,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:42,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:42,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:42,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:42,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:42,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:42,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:42,683 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:42,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:42,684 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:42,685 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_45103de2-adfb-420f-9901-2c4933835e93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2023-11-19 03:06:42,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:43,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:43,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:43,034 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:43,035 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:43,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2023-11-19 03:06:46,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:46,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:46,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2023-11-19 03:06:46,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/data/cf3a29d88/e62222c40e3d4c6d97f2679bb9f64316/FLAG3ce20fb57 [2023-11-19 03:06:46,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/data/cf3a29d88/e62222c40e3d4c6d97f2679bb9f64316 [2023-11-19 03:06:46,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:46,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:46,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:46,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:46,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:46,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4e17e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:46, skipping insertion in model container [2023-11-19 03:06:46,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:46" (1/1) ... [2023-11-19 03:06:46,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:47,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:47,445 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:47,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:47,647 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:47,654 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:47,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47 WrapperNode [2023-11-19 03:06:47,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:47,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:47,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:47,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:47,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,798 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-11-19 03:06:47,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:47,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:47,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:47,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:47,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:47,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:47,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:47,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:47,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:47" (1/1) ... [2023-11-19 03:06:47,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:47,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:47,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:48,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45103de2-adfb-420f-9901-2c4933835e93/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 03:06:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 03:06:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:06:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:06:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:06:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:06:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:06:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:06:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-19 03:06:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-19 03:06:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:06:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:06:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:06:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:06:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:06:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:06:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:48,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:48,370 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:48,372 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:50,041 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:51,879 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:51,879 INFO L302 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-19 03:06:51,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:51 BoogieIcfgContainer [2023-11-19 03:06:51,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:51,893 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:51,894 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:51,908 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:51,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:51" (1/1) ... [2023-11-19 03:06:51,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2023-11-19 03:06:51,998 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2023-11-19 03:06:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:06:52,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:52,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:52,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:06:52,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:52,301 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 [2023-11-19 03:06:52,382 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:06:52,384 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 03:06:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:52,395 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 [2023-11-19 03:06:52,403 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 03:06:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2023-11-19 03:06:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2023-11-19 03:06:52,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:06:52,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:52,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:52,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:06:52,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:52,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 03:06:52,622 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 [2023-11-19 03:06:52,686 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:06:52,687 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 03:06:52,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:06:52,694 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 [2023-11-19 03:06:52,703 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 03:06:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 178 states and 294 transitions. [2023-11-19 03:06:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 294 transitions. [2023-11-19 03:06:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:52,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:52,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:52,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:06:52,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:52,959 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 03:06:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2023-11-19 03:06:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2023-11-19 03:06:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:06:52,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:52,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:53,213 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 03:06:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 178 states and 286 transitions. [2023-11-19 03:06:53,338 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2023-11-19 03:06:53,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:06:53,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:53,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:53,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:06:53,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 178 states and 282 transitions. [2023-11-19 03:06:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 282 transitions. [2023-11-19 03:06:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:06:53,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:53,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:53,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:06:53,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:53,568 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 03:06:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 178 states and 276 transitions. [2023-11-19 03:06:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 276 transitions. [2023-11-19 03:06:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:06:53,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:53,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:53,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:06:53,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:53,808 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 03:06:55,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:06:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 178 states and 270 transitions. [2023-11-19 03:06:55,126 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 270 transitions. [2023-11-19 03:06:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:06:55,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:55,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:06:55,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:55,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:05,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:07:15,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:07:18,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:07:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 211 states and 314 transitions. [2023-11-19 03:07:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 314 transitions. [2023-11-19 03:07:18,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:07:18,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:18,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:18,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:07:18,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:18,645 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 03:07:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 211 states and 312 transitions. [2023-11-19 03:07:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 312 transitions. [2023-11-19 03:07:18,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:07:18,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:18,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:18,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:07:18,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:19,036 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 03:07:29,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:07:36,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:07:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 245 states and 358 transitions. [2023-11-19 03:07:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 358 transitions. [2023-11-19 03:07:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:07:37,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:37,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:37,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:07:37,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:37,357 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 03:07:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 245 states and 356 transitions. [2023-11-19 03:07:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 356 transitions. [2023-11-19 03:07:37,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:07:37,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:37,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:07:37,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:42,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:07:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 245 states and 354 transitions. [2023-11-19 03:07:42,538 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 354 transitions. [2023-11-19 03:07:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:07:42,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:42,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:42,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:07:42,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:42,816 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 03:07:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 245 states and 352 transitions. [2023-11-19 03:07:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 352 transitions. [2023-11-19 03:07:42,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:07:42,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:42,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:43,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:07:43,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.