./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/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_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/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_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:51,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:51,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:51,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:51,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:51,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:51,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:51,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:51,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:51,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:51,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:51,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:51,394 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:51,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:51,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:51,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:51,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:51,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:51,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:51,399 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:51,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:51,400 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:51,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:51,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:51,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:51,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:51,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:51,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:51,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:51,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:51,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:51,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:51,406 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:51,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:51,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:51,407 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_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2023-11-21 18:48:51,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:51,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:51,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:51,764 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:51,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:51,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-21 18:48:54,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:55,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:55,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-21 18:48:55,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/data/04fa7cec1/7368f2dcb2a448c39648651568d6bcec/FLAG154d0827c [2023-11-21 18:48:55,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/data/04fa7cec1/7368f2dcb2a448c39648651568d6bcec [2023-11-21 18:48:55,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:55,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:55,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:55,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:55,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:55,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f73bdfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:55, skipping insertion in model container [2023-11-21 18:48:55,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:55" (1/1) ... [2023-11-21 18:48:55,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:56,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:56,417 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:56,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:56,663 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:56,671 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:56,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56 WrapperNode [2023-11-21 18:48:56,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:56,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:56,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:56,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:56,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,852 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1552 [2023-11-21 18:48:56,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:56,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:56,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:56,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:56,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:56,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:57,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:57,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:57,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:57,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:57,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:57,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:57,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:57,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:57,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:56" (1/1) ... [2023-11-21 18:48:57,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:57,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:57,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:57,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b3966d7-1285-49bb-a06d-fe6ca7947bf9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:48:57,176 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:48:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:48:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:48:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-21 18:48:57,178 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-21 18:48:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:48:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:48:57,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:48:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:48:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:48:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-21 18:48:57,180 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-21 18:48:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:48:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-21 18:48:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-21 18:48:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:57,553 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:57,555 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:59,271 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:01,169 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:01,169 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 18:49:01,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:01 BoogieIcfgContainer [2023-11-21 18:49:01,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:01,173 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:01,173 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:01,185 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:01,185 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:01" (1/1) ... [2023-11-21 18:49:01,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:01,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-11-21 18:49:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-11-21 18:49:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:01,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:01,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:49:01,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:01,656 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-21 18:49:01,658 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 [2023-11-21 18:49:01,673 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 [2023-11-21 18:49:01,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:49:01,724 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 [2023-11-21 18:49:01,740 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:49:01,742 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2023-11-21 18:49:01,819 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 [2023-11-21 18:49:01,890 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:49:01,891 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:49:01,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:49:01,899 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 18:49:01,910 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 18:49:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 199 states and 309 transitions. [2023-11-21 18:49:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 309 transitions. [2023-11-21 18:49:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:49:02,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:49:02,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:02,256 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-21 18:49:02,257 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 [2023-11-21 18:49:02,273 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 [2023-11-21 18:49:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:49:02,305 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 [2023-11-21 18:49:02,331 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 [2023-11-21 18:49:02,335 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 [2023-11-21 18:49:02,361 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:49:02,362 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:49:02,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:49:02,369 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 18:49:02,375 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 18:49:02,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 200 states and 310 transitions. [2023-11-21 18:49:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 310 transitions. [2023-11-21 18:49:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:49:02,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:02,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:02,556 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 18:49:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 200 states and 308 transitions. [2023-11-21 18:49:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 308 transitions. [2023-11-21 18:49:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:49:02,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:02,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:02,763 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 18:49:02,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 200 states and 302 transitions. [2023-11-21 18:49:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 302 transitions. [2023-11-21 18:49:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:49:02,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,127 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 18:49:03,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 198 states and 292 transitions. [2023-11-21 18:49:03,251 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 292 transitions. [2023-11-21 18:49:03,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:49:03,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:03,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:03,388 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 18:49:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 198 states and 290 transitions. [2023-11-21 18:49:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 290 transitions. [2023-11-21 18:49:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:49:03,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:03,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:03,567 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 18:49:13,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:49:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 198 states and 288 transitions. [2023-11-21 18:49:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 288 transitions. [2023-11-21 18:49:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:49:13,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:13,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:13,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:13,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:24,246 WARN L539 Checker$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 18:49:25,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:49:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 216 states and 315 transitions. [2023-11-21 18:49:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 315 transitions. [2023-11-21 18:49:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:49:25,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:25,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:26,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:26,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:29,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:49:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 235 states and 343 transitions. [2023-11-21 18:49:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 343 transitions. [2023-11-21 18:49:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:49:30,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:30,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:30,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:30,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:30,333 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 18:49:40,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:49:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 233 states and 336 transitions. [2023-11-21 18:49:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 336 transitions. [2023-11-21 18:49:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:49:40,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,521 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 18:49:40,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 233 states and 332 transitions. [2023-11-21 18:49:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 332 transitions. [2023-11-21 18:49:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:40,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,826 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 18:49:40,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 233 states and 326 transitions. [2023-11-21 18:49:40,921 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 326 transitions. [2023-11-21 18:49:40,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:49:40,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:41,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:41,215 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 18:49:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 242 states and 337 transitions. [2023-11-21 18:49:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 337 transitions. [2023-11-21 18:49:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:49:41,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:41,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:41,652 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 18:49:44,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:49:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 269 states and 382 transitions. [2023-11-21 18:49:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 382 transitions. [2023-11-21 18:49:45,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:49:45,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:45,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:45,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:45,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:45,354 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 18:49:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 278 states and 394 transitions. [2023-11-21 18:49:45,576 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2023-11-21 18:49:45,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:49:45,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:45,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:45,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:45,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:45,845 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 18:49:56,783 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 []