./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/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_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/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_cacc61dc-e9e3-4454-b381-4d81a7e93458/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 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:56,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:56,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:37:56,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:56,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:56,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:56,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:56,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:56,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:56,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:56,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:56,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:56,355 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:56,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:56,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:56,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:56,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:56,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:56,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:56,359 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:56,359 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:56,360 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:56,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:56,361 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:56,362 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:56,362 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:56,363 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:56,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:56,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:56,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:56,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:56,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:56,366 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:56,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:56,366 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:56,367 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_cacc61dc-e9e3-4454-b381-4d81a7e93458/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dbada8959d2cc8064c4bd91b5eb9026b5ef55506175e9e1c24832dba2bf0e0c [2023-11-21 18:37:56,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:56,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:56,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:56,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:56,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:56,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2023-11-21 18:37:59,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:38:00,244 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:38:00,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2023-11-21 18:38:00,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/data/c2acaa777/56437031d9ff4882a848972adab91e1d/FLAG8ce3bd7bd [2023-11-21 18:38:00,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/data/c2acaa777/56437031d9ff4882a848972adab91e1d [2023-11-21 18:38:00,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:38:00,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:38:00,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:00,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:38:00,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:38:00,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767dcc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:00, skipping insertion in model container [2023-11-21 18:38:00,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:00" (1/1) ... [2023-11-21 18:38:00,398 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:38:00,678 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:38:01,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:01,136 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:38:01,168 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:38:01,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:01,319 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:01,320 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:38:01,329 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:38:01,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01 WrapperNode [2023-11-21 18:38:01,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:01,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:01,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:38:01,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:38:01,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,521 INFO L138 Inliner]: procedures = 208, calls = 282, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1358 [2023-11-21 18:38:01,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:01,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:38:01,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:38:01,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:38:01,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:38:01,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:38:01,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:38:01,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:38:01,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:01" (1/1) ... [2023-11-21 18:38:01,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:01,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:38:01,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:38:01,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacc61dc-e9e3-4454-b381-4d81a7e93458/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:38:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:38:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:38:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:38:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:38:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:38:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:38:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:38:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:38:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:38:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:38:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:38:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:38:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:38:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:38:02,107 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:38:02,111 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:38:03,777 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:38:05,644 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:38:05,645 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 18:38:05,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:05 BoogieIcfgContainer [2023-11-21 18:38:05,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:38:05,648 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:38:05,648 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:38:05,659 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:38:05,659 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:38:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 125 states and 206 transitions. [2023-11-21 18:38:05,832 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 206 transitions. [2023-11-21 18:38:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:38:05,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:05,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:06,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:38:06,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:06,272 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 18:38:06,303 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 18:38:06,380 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:38:06,386 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:38:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:38:06,397 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 18:38:06,409 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 18:38:06,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 128 states and 211 transitions. [2023-11-21 18:38:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 211 transitions. [2023-11-21 18:38:06,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:38:06,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:06,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:06,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:38:06,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:06,665 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 18:38:06,678 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 18:38:06,751 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:38:06,752 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:38:06,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:38:06,759 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 18:38:06,766 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 18:38:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 129 states and 212 transitions. [2023-11-21 18:38:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 212 transitions. [2023-11-21 18:38:06,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:38:06,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:06,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:06,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:06,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:06,967 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 18:38:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 129 states and 210 transitions. [2023-11-21 18:38:06,976 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2023-11-21 18:38:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:38:06,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:06,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,102 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 18:38:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 129 states and 207 transitions. [2023-11-21 18:38:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 207 transitions. [2023-11-21 18:38:07,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:38:07,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:07,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:07,253 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 18:38:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 129 states and 203 transitions. [2023-11-21 18:38:07,269 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 203 transitions. [2023-11-21 18:38:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:38:07,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,355 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 18:38:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 199 transitions. [2023-11-21 18:38:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2023-11-21 18:38:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:38:07,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,463 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 18:38:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 129 states and 197 transitions. [2023-11-21 18:38:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2023-11-21 18:38:07,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:38:07,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:07,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:07,715 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 18:38:07,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:07,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 129 states and 191 transitions. [2023-11-21 18:38:07,724 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 191 transitions. [2023-11-21 18:38:07,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:38:07,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:07,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:07,823 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 18:38:17,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 99 states and 143 transitions. [2023-11-21 18:38:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2023-11-21 18:38:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:38:17,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:17,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:18,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:38:18,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:38:28,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:38:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 99 states and 137 transitions. [2023-11-21 18:38:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2023-11-21 18:38:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:38:28,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:38:28,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:38:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:38:28,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:38:28,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:38:28,590 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 18:38:38,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:48,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:38:58,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:39:01,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:39:01,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 114 states and 156 transitions. [2023-11-21 18:39:01,468 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 156 transitions. [2023-11-21 18:39:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:39:01,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:01,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:01,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:01,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:01,677 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 18:39:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2023-11-21 18:39:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2023-11-21 18:39:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:39:01,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:01,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:01,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:01,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:01,916 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 18:39:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 152 transitions. [2023-11-21 18:39:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2023-11-21 18:39:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:39:01,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:01,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:02,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:39:02,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.