./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.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_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/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_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/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_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/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 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:08,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:08,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:08,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:08,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:08,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:08,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:08,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:08,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:08,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:08,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:08,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:08,875 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:08,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:08,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:08,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:08,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:08,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:08,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:08,879 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:08,879 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:08,880 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:08,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:08,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:08,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:08,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:08,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:08,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:08,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:08,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:08,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:08,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:08,887 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:08,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:08,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:08,887 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_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d [2023-11-21 18:41:09,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:09,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:09,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:09,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:09,297 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:09,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2023-11-21 18:41:12,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:12,999 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:12,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2023-11-21 18:41:13,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/data/930d6e8b4/bd60b57daa834597b501759f628c9ce1/FLAG6d567dc5c [2023-11-21 18:41:13,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/data/930d6e8b4/bd60b57daa834597b501759f628c9ce1 [2023-11-21 18:41:13,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:13,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:13,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:13,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:13,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:13,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:13,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8c4c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13, skipping insertion in model container [2023-11-21 18:41:13,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:13,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:13,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:13,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:13,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:13,980 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:13,988 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:13,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13 WrapperNode [2023-11-21 18:41:13,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:13,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:13,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:13,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:13,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,124 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-21 18:41:14,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:14,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:14,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:14,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:14,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:14,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:14,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:14,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:14,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:13" (1/1) ... [2023-11-21 18:41:14,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:14,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:14,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:14,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cb1a31-f379-471e-bb90-6dcac4f0fb01/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:41:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:41:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:41:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:41:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:41:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:41:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:41:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:41:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:14,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:14,712 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:14,716 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:16,508 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:18,570 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:18,570 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 18:41:18,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:18 BoogieIcfgContainer [2023-11-21 18:41:18,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:18,574 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:18,574 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:18,585 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:18,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:18" (1/1) ... [2023-11-21 18:41:18,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 144 states and 237 transitions. [2023-11-21 18:41:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2023-11-21 18:41:18,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:41:18,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:18,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:18,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:41:18,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:18,967 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 18:41:18,976 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 18:41:19,038 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:41:19,040 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:41:19,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:41:19,049 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 18:41:19,060 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 18:41:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 242 transitions. [2023-11-21 18:41:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2023-11-21 18:41:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:41:19,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:19,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:19,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:41:19,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:19,246 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 18:41:19,285 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:41:19,286 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:41:19,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:41:19,292 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 18:41:19,298 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 18:41:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 150 states and 247 transitions. [2023-11-21 18:41:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 247 transitions. [2023-11-21 18:41:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:19,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:19,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:19,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:19,510 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 18:41:19,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:19,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2023-11-21 18:41:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2023-11-21 18:41:19,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:19,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:19,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:19,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:19,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:19,610 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 18:41:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 150 states and 241 transitions. [2023-11-21 18:41:19,619 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 241 transitions. [2023-11-21 18:41:19,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:19,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:19,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:19,878 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 18:41:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2023-11-21 18:41:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2023-11-21 18:41:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:41:20,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,187 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 18:41:20,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:20,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 150 states and 229 transitions. [2023-11-21 18:41:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 229 transitions. [2023-11-21 18:41:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:41:20,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:20,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:20,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:20,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:20,395 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 18:41:30,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:41:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 150 states and 223 transitions. [2023-11-21 18:41:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 223 transitions. [2023-11-21 18:41:30,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:41:30,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:30,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:30,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:41,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:41:42,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:41:42,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 242 transitions. [2023-11-21 18:41:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2023-11-21 18:41:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:41:42,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:42,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:42,847 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 18:41:42,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 165 states and 240 transitions. [2023-11-21 18:41:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 240 transitions. [2023-11-21 18:41:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:41:42,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:43,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:43,059 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 18:41:43,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 165 states and 238 transitions. [2023-11-21 18:41:43,069 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 238 transitions. [2023-11-21 18:41:43,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:41:43,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:41:43,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:43,365 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 18:41:45,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:41:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 165 states and 236 transitions. [2023-11-21 18:41:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 236 transitions. [2023-11-21 18:41:45,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:41:45,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:45,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:45,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:41:45,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:45,454 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 18:41:55,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:42:05,492 WARN L539 Checker$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 18:42:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 164 states and 232 transitions. [2023-11-21 18:42:05,519 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 232 transitions. [2023-11-21 18:42:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:42:05,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:05,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:13,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:42:13,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:13,261 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 18:42:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 164 states and 232 transitions. [2023-11-21 18:42:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 232 transitions. [2023-11-21 18:42:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:42:13,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:13,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms