./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV --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 ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:09,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:09,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:52:09,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:09,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:10,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:10,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:10,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:10,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:10,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:10,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:10,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:10,055 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:10,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:10,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:10,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:10,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:10,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:10,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:10,060 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:10,061 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:10,063 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:10,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:10,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:10,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:10,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:10,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:10,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:10,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:10,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:10,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:10,069 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:10,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:10,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:10,070 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_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 [2023-11-11 23:52:10,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:10,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:10,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:10,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:10,424 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:10,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2023-11-11 23:52:13,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:13,862 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:13,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2023-11-11 23:52:13,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/data/77f818c68/deb5630f45c74cfc8b2518626eb92017/FLAG76cfda7bf [2023-11-11 23:52:13,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/data/77f818c68/deb5630f45c74cfc8b2518626eb92017 [2023-11-11 23:52:13,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:13,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:13,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:13,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:13,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:13,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:13" (1/1) ... [2023-11-11 23:52:13,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4769f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:13, skipping insertion in model container [2023-11-11 23:52:13,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:13" (1/1) ... [2023-11-11 23:52:14,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:14,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:14,563 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:14,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:14,756 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:14,764 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:14,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14 WrapperNode [2023-11-11 23:52:14,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:14,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:14,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:14,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:14,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,006 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-11 23:52:15,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:15,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:15,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:15,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:15,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:15,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:15,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:15,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:15,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:15,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:15,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:15,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45f52666-40a3-4089-bdd4-94ce60bc4b93/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:52:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:52:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:52:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:52:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:52:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:52:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:52:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:52:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:52:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:52:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:52:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:15,563 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:15,565 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:17,368 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:19,334 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:19,334 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-11 23:52:19,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:19 BoogieIcfgContainer [2023-11-11 23:52:19,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:19,338 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:19,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:19,348 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:19,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:19" (1/1) ... [2023-11-11 23:52:19,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 144 states and 237 transitions. [2023-11-11 23:52:19,415 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2023-11-11 23:52:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:52:19,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:19,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:19,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:52:19,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:19,695 INFO L351 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 [2023-11-11 23:52:19,704 INFO L351 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 [2023-11-11 23:52:19,752 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:19,753 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-11 23:52:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:52:19,762 INFO L351 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 22 treesize of output 10 [2023-11-11 23:52:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:19,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 242 transitions. [2023-11-11 23:52:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2023-11-11 23:52:19,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:52:19,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:19,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:19,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:52:19,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:19,934 INFO L351 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 [2023-11-11 23:52:19,939 INFO L351 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 [2023-11-11 23:52:19,966 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:19,967 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:52:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:52:19,973 INFO L351 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 [2023-11-11 23:52:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 148 states and 244 transitions. [2023-11-11 23:52:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 244 transitions. [2023-11-11 23:52:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:52:20,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:20,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:52:20,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 148 states and 242 transitions. [2023-11-11 23:52:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 242 transitions. [2023-11-11 23:52:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:52:20,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:20,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:52:20,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 148 states and 238 transitions. [2023-11-11 23:52:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 238 transitions. [2023-11-11 23:52:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:52:20,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 148 states and 232 transitions. [2023-11-11 23:52:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 232 transitions. [2023-11-11 23:52:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:20,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:20,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:52:20,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:20,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 148 states and 226 transitions. [2023-11-11 23:52:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 226 transitions. [2023-11-11 23:52:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:52:20,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:20,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:52:20,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:30,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:52:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 148 states and 220 transitions. [2023-11-11 23:52:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 220 transitions. [2023-11-11 23:52:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:52:31,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:31,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:52:31,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:31,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:42,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:52:52,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:53:02,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:53:12,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:53:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 239 transitions. [2023-11-11 23:53:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 239 transitions. [2023-11-11 23:53:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:53:12,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:12,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:12,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:53:12,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 163 states and 237 transitions. [2023-11-11 23:53:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 237 transitions. [2023-11-11 23:53:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:53:12,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:12,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:12,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:53:12,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:12,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 163 states and 235 transitions. [2023-11-11 23:53:12,695 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 235 transitions. [2023-11-11 23:53:12,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:53:12,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:12,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:13,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:53:13,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:13,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.