./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 527bcce2 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_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/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_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:37:29,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:29,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:29,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:29,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:29,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:29,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:29,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:29,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:29,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:29,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:29,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:29,978 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:29,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:29,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:29,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:29,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:29,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:29,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:29,982 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:29,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:29,983 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:29,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:29,985 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:29,985 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:29,986 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:29,986 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:29,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:29,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:29,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:29,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:29,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:29,990 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:29,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:29,991 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:29,991 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_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef232f94cb2adf03185aed5adfaef3f0eb9593ee06bfb5b3fbb6e4bc1dd6d041 [2023-11-21 18:37:30,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:30,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:30,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:30,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:30,342 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:30,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2023-11-21 18:37:33,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:33,894 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:33,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-2.i [2023-11-21 18:37:33,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/data/e3973152b/72cc9d081e6948c69cbb76551a8afbe4/FLAG9479005b0 [2023-11-21 18:37:33,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/data/e3973152b/72cc9d081e6948c69cbb76551a8afbe4 [2023-11-21 18:37:33,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:33,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:33,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:33,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:33,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:33,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:33,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4766e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:33, skipping insertion in model container [2023-11-21 18:37:33,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:33" (1/1) ... [2023-11-21 18:37:34,031 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:34,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:34,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:34,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:34,913 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:34,921 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:34,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34 WrapperNode [2023-11-21 18:37:34,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:34,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:34,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:34,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:34,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:34,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,100 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-21 18:37:35,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:35,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:35,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:35,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:35,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:35,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:35,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:35,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:35,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:34" (1/1) ... [2023-11-21 18:37:35,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:35,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:35,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:35,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a75a9c3-786f-4dc3-954e-d07e933a37be/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:37:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:37:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:37:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:37:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:37:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:37:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:37:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:37:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:37:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:37:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:37:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:37:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:35,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:35,702 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:35,705 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:37,445 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:39,270 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:39,270 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 18:37:39,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:39 BoogieIcfgContainer [2023-11-21 18:37:39,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:39,273 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:39,273 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:39,283 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:39,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:39" (1/1) ... [2023-11-21 18:37:39,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 144 states and 237 transitions. [2023-11-21 18:37:39,378 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2023-11-21 18:37:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:37:39,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:39,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:39,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:37:39,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:39,652 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 [2023-11-21 18:37:39,676 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 [2023-11-21 18:37:39,754 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:37:39,756 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:37:39,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:37:39,781 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 [2023-11-21 18:37:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 242 transitions. [2023-11-21 18:37:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2023-11-21 18:37:39,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:37:39,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:39,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:39,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:37:39,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:40,041 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 [2023-11-21 18:37:40,100 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:37:40,100 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:37:40,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:37:40,108 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 [2023-11-21 18:37:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 150 states and 247 transitions. [2023-11-21 18:37:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 247 transitions. [2023-11-21 18:37:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:37:40,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:40,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:40,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:40,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2023-11-21 18:37:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2023-11-21 18:37:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:37:40,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:40,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 150 states and 241 transitions. [2023-11-21 18:37:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 241 transitions. [2023-11-21 18:37:40,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:37:40,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2023-11-21 18:37:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2023-11-21 18:37:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:37:40,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:40,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 150 states and 229 transitions. [2023-11-21 18:37:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 229 transitions. [2023-11-21 18:37:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:37:41,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:41,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:41,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:41,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:51,292 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 [] [2023-11-21 18:37:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 150 states and 223 transitions. [2023-11-21 18:37:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 223 transitions. [2023-11-21 18:37:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:51,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:51,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:51,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:37:51,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 242 transitions. [2023-11-21 18:37:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2023-11-21 18:37:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:37:52,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:52,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:53,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:53,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:53,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 165 states and 240 transitions. [2023-11-21 18:37:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 240 transitions. [2023-11-21 18:37:53,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:37:53,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:53,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:53,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:53,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 165 states and 238 transitions. [2023-11-21 18:37:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 238 transitions. [2023-11-21 18:37:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:37:53,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:53,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:53,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:37:53,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:53,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:03,540 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 [] [2023-11-21 18:38:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 165 states and 236 transitions. [2023-11-21 18:38:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 236 transitions. [2023-11-21 18:38:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:38:03,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:03,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:03,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:38:03,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:03,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:38:13,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:17,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 166 states and 235 transitions. [2023-11-21 18:38:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2023-11-21 18:38:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:38:17,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:17,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:19,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:38:19,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:38:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 166 states and 235 transitions. [2023-11-21 18:38:19,452 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2023-11-21 18:38:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:38:19,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:19,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:27,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:38:27,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 168 states and 239 transitions. [2023-11-21 18:38:27,215 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 239 transitions. [2023-11-21 18:38:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:38:27,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:27,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:32,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:38:32,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:38:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 170 states and 242 transitions. [2023-11-21 18:38:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 242 transitions. [2023-11-21 18:38:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:38:32,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:34,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:38:34,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:38:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 170 states and 242 transitions. [2023-11-21 18:38:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 242 transitions. [2023-11-21 18:38:35,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:38:35,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:35,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms