./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi --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 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:15,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:15,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:02:15,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:15,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:16,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:16,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:16,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:16,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:16,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:16,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:16,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:16,047 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:16,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:16,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:16,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:16,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:16,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:16,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:16,051 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:16,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:16,052 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:16,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:16,053 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:16,054 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:16,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:16,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:16,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:16,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:16,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:16,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:16,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:16,064 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:16,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:16,065 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:16,065 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_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 [2023-11-24 23:02:16,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:16,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:16,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:16,374 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:16,375 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:16,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2023-11-24 23:02:19,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:19,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:19,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2023-11-24 23:02:19,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/data/087ca3f6a/24f6bc02ea0241958511078848b57471/FLAG355e70877 [2023-11-24 23:02:19,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/data/087ca3f6a/24f6bc02ea0241958511078848b57471 [2023-11-24 23:02:19,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:19,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:19,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:19,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:19,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:19,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:19" (1/1) ... [2023-11-24 23:02:19,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f34f368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:19, skipping insertion in model container [2023-11-24 23:02:19,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:19" (1/1) ... [2023-11-24 23:02:20,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:20,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:20,714 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:20,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:20,954 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:20,962 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:20,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20 WrapperNode [2023-11-24 23:02:20,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:20,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:20,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:20,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:20,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,179 INFO L138 Inliner]: procedures = 177, calls = 338, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1532 [2023-11-24 23:02:21,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:21,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:21,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:21,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:21,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:21,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:21,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:21,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:21,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:20" (1/1) ... [2023-11-24 23:02:21,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:21,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:21,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:21,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87252f18-428e-47cc-afed-e047290a690f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 23:02:21,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 23:02:21,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:21,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:02:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:02:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:02:21,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:02:21,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:02:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:02:21,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:21,520 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:02:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:02:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:21,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:21,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:21,780 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:21,783 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:23,758 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:25,615 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:25,616 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-24 23:02:25,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:25 BoogieIcfgContainer [2023-11-24 23:02:25,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:25,619 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:25,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:25,631 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:25,632 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:25" (1/1) ... [2023-11-24 23:02:25,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 162 states and 265 transitions. [2023-11-24 23:02:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 265 transitions. [2023-11-24 23:02:25,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:02:25,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:25,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:25,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:02:25,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:26,097 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 [2023-11-24 23:02:26,112 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 [2023-11-24 23:02:26,173 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:02:26,174 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 23:02:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:02:26,183 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 [2023-11-24 23:02:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:26,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 165 states and 270 transitions. [2023-11-24 23:02:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2023-11-24 23:02:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:02:26,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:26,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:02:26,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:26,376 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 [2023-11-24 23:02:26,383 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 [2023-11-24 23:02:26,429 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:02:26,430 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 23:02:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:02:26,437 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 [2023-11-24 23:02:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 166 states and 271 transitions. [2023-11-24 23:02:26,466 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2023-11-24 23:02:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:26,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:26,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 166 states and 270 transitions. [2023-11-24 23:02:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 270 transitions. [2023-11-24 23:02:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:26,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:26,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:26,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 166 states and 268 transitions. [2023-11-24 23:02:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 268 transitions. [2023-11-24 23:02:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:02:26,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:26,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:27,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 166 states and 267 transitions. [2023-11-24 23:02:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 267 transitions. [2023-11-24 23:02:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:27,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:27,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:27,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:27,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 166 states and 263 transitions. [2023-11-24 23:02:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 263 transitions. [2023-11-24 23:02:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:02:27,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:27,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:27,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:27,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:27,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:27,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 166 states and 257 transitions. [2023-11-24 23:02:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 257 transitions. [2023-11-24 23:02:27,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:02:27,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:27,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:27,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:27,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:37,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:37,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 166 states and 251 transitions. [2023-11-24 23:02:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 251 transitions. [2023-11-24 23:02:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:02:37,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:37,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:37,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:02:37,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:48,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:58,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:03:08,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:03:18,567 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 [] [2023-11-24 23:03:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 181 states and 269 transitions. [2023-11-24 23:03:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 269 transitions. [2023-11-24 23:03:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:03:18,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:18,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:18,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:18,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:18,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:18,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 181 states and 267 transitions. [2023-11-24 23:03:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 267 transitions. [2023-11-24 23:03:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:03:18,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:18,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:19,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:19,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 181 states and 265 transitions. [2023-11-24 23:03:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 265 transitions. [2023-11-24 23:03:19,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:03:19,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:19,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:19,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:19,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.