./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/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_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/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_16e3f001-3798-4773-b45c-ed7bbcb84e8d/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 2f3a36748f32ca088af5a89c176902d6a78b8f206b767e4775b8a1d3a36bb37f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:32:21,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:32:21,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:32:21,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:32:21,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:32:21,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:32:21,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:32:21,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:32:21,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:32:21,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:32:21,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:32:21,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:32:21,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:32:21,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:32:21,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:32:21,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:32:21,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:32:21,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:32:21,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:32:21,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:32:21,959 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:32:21,960 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:32:21,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:32:21,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:32:21,962 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:32:21,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:32:21,963 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:32:21,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:32:21,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:21,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:32:21,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:32:21,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:32:21,966 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:32:21,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:32:21,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:32:21,968 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_16e3f001-3798-4773-b45c-ed7bbcb84e8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f3a36748f32ca088af5a89c176902d6a78b8f206b767e4775b8a1d3a36bb37f [2023-11-21 18:32:22,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:32:22,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:32:22,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:32:22,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:32:22,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:32:22,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-1.i [2023-11-21 18:32:25,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:32:25,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:32:25,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-1.i [2023-11-21 18:32:25,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/data/b698fb226/3ce5f1eb40134ac3b08f9c4dcbf3bbaa/FLAGd4866995d [2023-11-21 18:32:25,864 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/data/b698fb226/3ce5f1eb40134ac3b08f9c4dcbf3bbaa [2023-11-21 18:32:25,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:32:25,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:32:25,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:25,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:32:25,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:32:25,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297c6072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:25, skipping insertion in model container [2023-11-21 18:32:25,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:25" (1/1) ... [2023-11-21 18:32:25,975 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:26,291 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:32:26,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:26,646 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:32:26,673 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:32:26,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:26,839 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:32:26,839 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:32:26,846 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:32:26,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26 WrapperNode [2023-11-21 18:32:26,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:26,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:26,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:32:26,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:32:26,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:26,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,000 INFO L138 Inliner]: procedures = 178, calls = 283, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1349 [2023-11-21 18:32:27,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:27,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:32:27,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:32:27,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:32:27,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:32:27,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:32:27,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:32:27,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:32:27,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:26" (1/1) ... [2023-11-21 18:32:27,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:27,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:32:27,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:32:27,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e3f001-3798-4773-b45c-ed7bbcb84e8d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:32:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:32:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:32:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:32:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:32:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:32:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:32:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:32:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:32:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:32:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:32:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:32:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:32:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:32:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:32:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:32:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:32:27,545 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:32:27,549 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:32:29,210 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:32:31,022 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:32:31,022 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 18:32:31,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:31 BoogieIcfgContainer [2023-11-21 18:32:31,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:32:31,026 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:32:31,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:32:31,037 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:32:31,037 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:31" (1/1) ... [2023-11-21 18:32:31,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:32:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 131 states and 214 transitions. [2023-11-21 18:32:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 214 transitions. [2023-11-21 18:32:31,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:32:31,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:31,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:32:31,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:31,420 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 18:32:31,442 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 18:32:31,492 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:32:31,494 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:32:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:32:31,503 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 [2023-11-21 18:32:31,517 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 18:32:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 134 states and 219 transitions. [2023-11-21 18:32:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 219 transitions. [2023-11-21 18:32:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:32:31,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:31,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:32:31,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:31,688 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 18:32:31,697 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 18:32:31,732 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:32:31,733 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:32:31,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:32:31,741 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 [2023-11-21 18:32:31,754 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 18:32:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 135 states and 220 transitions. [2023-11-21 18:32:31,777 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 220 transitions. [2023-11-21 18:32:31,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:32:31,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:31,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:31,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:31,900 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 18:32:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:31,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-11-21 18:32:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-11-21 18:32:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:32:31,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:32,022 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 18:32:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:32,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 135 states and 213 transitions. [2023-11-21 18:32:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 213 transitions. [2023-11-21 18:32:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:32:32,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:32,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:32,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:32,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:32,183 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 18:32:32,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:32,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 135 states and 209 transitions. [2023-11-21 18:32:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 209 transitions. [2023-11-21 18:32:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:32:32,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:32,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:32,283 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 18:32:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 135 states and 205 transitions. [2023-11-21 18:32:32,295 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 205 transitions. [2023-11-21 18:32:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:32:32,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:32,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:32,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:32,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:32,405 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 18:32:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 135 states and 199 transitions. [2023-11-21 18:32:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 199 transitions. [2023-11-21 18:32:32,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:32:32,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:32,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:32,447 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 18:32:32,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:32,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 135 states and 197 transitions. [2023-11-21 18:32:32,454 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2023-11-21 18:32:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:32:32,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:32,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:32,521 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 18:32:42,552 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 18:32:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 135 states and 195 transitions. [2023-11-21 18:32:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 195 transitions. [2023-11-21 18:32:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:32:42,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:42,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:42,794 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 18:32:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 135 states and 194 transitions. [2023-11-21 18:32:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 194 transitions. [2023-11-21 18:32:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:42,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:42,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:42,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:42,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:43,005 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 18:32:53,028 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 18:32:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 135 states and 188 transitions. [2023-11-21 18:32:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2023-11-21 18:32:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:32:53,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:53,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:53,293 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 18:32:53,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 139 states and 192 transitions. [2023-11-21 18:32:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2023-11-21 18:32:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:32:53,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:53,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:53,427 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 18:32:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 139 states and 188 transitions. [2023-11-21 18:32:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2023-11-21 18:32:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:32:53,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:53,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:53,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:53,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:53,817 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 18:32:56,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:32:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 154 states and 207 transitions. [2023-11-21 18:32:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2023-11-21 18:32:56,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:32:56,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:56,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:57,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:57,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:57,153 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 18:32:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 154 states and 205 transitions. [2023-11-21 18:32:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 205 transitions. [2023-11-21 18:32:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:32:57,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:57,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:57,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:57,363 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 18:32:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 154 states and 203 transitions. [2023-11-21 18:32:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 203 transitions. [2023-11-21 18:32:57,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:32:57,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:57,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:57,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:57,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:07,654 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 18:33:07,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 154 states and 201 transitions. [2023-11-21 18:33:07,673 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions. [2023-11-21 18:33:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:33:07,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:07,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:07,830 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 18:33:09,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:33:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 168 states and 216 transitions. [2023-11-21 18:33:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 216 transitions. [2023-11-21 18:33:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:33:09,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:09,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:09,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:09,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:33:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 171 states and 218 transitions. [2023-11-21 18:33:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 218 transitions. [2023-11-21 18:33:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:33:10,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:10,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:20,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:33:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:20,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 169 states and 212 transitions. [2023-11-21 18:33:20,500 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 212 transitions. [2023-11-21 18:33:20,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:33:20,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:20,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:24,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:33:24,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:33:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 169 states and 212 transitions. [2023-11-21 18:33:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 212 transitions. [2023-11-21 18:33:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:33:25,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:25,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:29,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:33:29,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:33:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:29,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 171 states and 216 transitions. [2023-11-21 18:33:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2023-11-21 18:33:29,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:33:29,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:29,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms