./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC --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 bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:40,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:40,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:27:40,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:40,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:40,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:40,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:40,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:40,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:40,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:40,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:40,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:40,493 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:40,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:40,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:40,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:40,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:40,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:40,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:40,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:40,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:40,498 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:40,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:40,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:40,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:40,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:40,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:40,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:40,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:40,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:40,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:40,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:40,504 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:40,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:40,505 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:40,505 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_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2023-11-23 20:27:40,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:40,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:40,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:40,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:40,854 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:40,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2023-11-23 20:27:44,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:44,635 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:44,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2023-11-23 20:27:44,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/data/3de55c73c/84b276dab85c40b2a1d64d52000da675/FLAG86e6384b3 [2023-11-23 20:27:44,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/data/3de55c73c/84b276dab85c40b2a1d64d52000da675 [2023-11-23 20:27:44,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:44,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:44,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:44,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:44,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:44,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:44" (1/1) ... [2023-11-23 20:27:44,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a6d8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:44, skipping insertion in model container [2023-11-23 20:27:44,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:44" (1/1) ... [2023-11-23 20:27:44,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:45,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:45,644 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:45,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:45,900 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:27:45,909 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:45,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45 WrapperNode [2023-11-23 20:27:45,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:45,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:45,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:45,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:45,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:45,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,065 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1552 [2023-11-23 20:27:46,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:46,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:46,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:46,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:46,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:46,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:46,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:46,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:46,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:45" (1/1) ... [2023-11-23 20:27:46,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:46,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:46,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:46,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56c7527-b896-4c98-ae56-f2934e0db28f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:27:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:27:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:27:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:27:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:27:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:27:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-23 20:27:46,347 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-23 20:27:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:27:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:27:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:27:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:27:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:27:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-23 20:27:46,348 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-23 20:27:46,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:27:46,349 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-23 20:27:46,349 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-23 20:27:46,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:27:46,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:46,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:46,656 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:46,659 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:48,401 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:50,052 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:50,052 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-23 20:27:50,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:50 BoogieIcfgContainer [2023-11-23 20:27:50,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:50,055 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:50,056 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:50,067 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:50,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:50" (1/1) ... [2023-11-23 20:27:50,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-11-23 20:27:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-11-23 20:27:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:27:50,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:50,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:50,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:50,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:50,481 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-23 20:27:50,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-11-23 20:27:50,494 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 8 treesize of output 7 [2023-11-23 20:27:50,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:50,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:27:50,550 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:50,551 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2023-11-23 20:27:50,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2023-11-23 20:27:50,631 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:50,632 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:27:50,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:50,638 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 [2023-11-23 20:27:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:50,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 199 states and 309 transitions. [2023-11-23 20:27:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 309 transitions. [2023-11-23 20:27:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:27:50,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:50,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:50,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:50,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:50,840 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-23 20:27:50,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-11-23 20:27:50,851 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 8 treesize of output 7 [2023-11-23 20:27:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:50,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:27:50,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 16 treesize of output 5 [2023-11-23 20:27:50,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2023-11-23 20:27:50,932 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:27:50,933 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-23 20:27:50,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:27:50,939 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 22 treesize of output 10 [2023-11-23 20:27:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 200 states and 310 transitions. [2023-11-23 20:27:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 310 transitions. [2023-11-23 20:27:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:27:51,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:27:51,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 200 states and 308 transitions. [2023-11-23 20:27:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 308 transitions. [2023-11-23 20:27:51,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:27:51,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:27:51,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 200 states and 302 transitions. [2023-11-23 20:27:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 302 transitions. [2023-11-23 20:27:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:51,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 198 states and 292 transitions. [2023-11-23 20:27:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 292 transitions. [2023-11-23 20:27:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:51,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:27:51,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 198 states and 290 transitions. [2023-11-23 20:27:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 290 transitions. [2023-11-23 20:27:51,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:27:51,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:52,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:27:52,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:52,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 198 states and 288 transitions. [2023-11-23 20:27:52,667 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 288 transitions. [2023-11-23 20:27:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:52,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:52,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:52,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:52,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:55,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:27:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 216 states and 315 transitions. [2023-11-23 20:27:55,754 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 315 transitions. [2023-11-23 20:27:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:55,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:55,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:55,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:55,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:06,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:28:16,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:28:20,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:28:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 235 states and 343 transitions. [2023-11-23 20:28:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 343 transitions. [2023-11-23 20:28:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:28:20,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:20,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:20,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:28:20,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:30,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:28:30,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:30,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 235 states and 341 transitions. [2023-11-23 20:28:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 341 transitions. [2023-11-23 20:28:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:28:30,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:30,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:30,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:30,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:28:41,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []