./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi --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 b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:51,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:51,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:11:51,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:51,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:51,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:51,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:51,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:51,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:51,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:51,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:51,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:51,487 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:51,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:51,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:51,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:51,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:51,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:51,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:51,492 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:11:51,492 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:11:51,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:51,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:51,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:51,496 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:51,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:51,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:51,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:51,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:51,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:51,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:51,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:51,501 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:51,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:51,501 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:51,501 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_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2023-11-24 23:11:51,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:51,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:51,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:51,887 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:51,887 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:51,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2023-11-24 23:11:55,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:55,512 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:55,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2023-11-24 23:11:55,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/data/6d0fe7d87/16ff5f2972804653bf00568fb9a53134/FLAGee9ad826c [2023-11-24 23:11:55,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/data/6d0fe7d87/16ff5f2972804653bf00568fb9a53134 [2023-11-24 23:11:55,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:55,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:55,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:55,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:55,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:55,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:55" (1/1) ... [2023-11-24 23:11:55,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340a1fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:55, skipping insertion in model container [2023-11-24 23:11:55,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:55" (1/1) ... [2023-11-24 23:11:55,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:56,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:56,285 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:56,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:56,542 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:11:56,550 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:56,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56 WrapperNode [2023-11-24 23:11:56,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:56,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:56,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:56,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:56,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,695 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-24 23:11:56,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:56,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:56,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:56,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:56,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:56,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:56,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:56,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:56,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:56" (1/1) ... [2023-11-24 23:11:56,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:56,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:56,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:56,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea57c97-9aa9-4598-80c8-ef804163511d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-24 23:11:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-24 23:11:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:11:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:11:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:11:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:11:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:11:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:11:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-24 23:11:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-24 23:11:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:11:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:11:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:11:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:11:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:11:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:11:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:57,227 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:57,230 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:00,191 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:02,010 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:02,010 INFO L309 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-24 23:12:02,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:02 BoogieIcfgContainer [2023-11-24 23:12:02,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:02,014 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:02,014 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:02,025 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:02,025 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:02" (1/1) ... [2023-11-24 23:12:02,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2023-11-24 23:12:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2023-11-24 23:12:02,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:12:02,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:02,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:02,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:12:02,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:02,462 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 [2023-11-24 23:12:02,472 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 [2023-11-24 23:12:02,517 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:12:02,518 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 23:12:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:12:02,526 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 [2023-11-24 23:12:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2023-11-24 23:12:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2023-11-24 23:12:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:12:02,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:02,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:02,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:12:02,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:02,693 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 [2023-11-24 23:12:02,699 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 [2023-11-24 23:12:02,741 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:12:02,742 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-24 23:12:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:12:02,752 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 [2023-11-24 23:12:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:02,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 191 states and 316 transitions. [2023-11-24 23:12:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 316 transitions. [2023-11-24 23:12:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:12:02,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:02,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:02,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:02,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:02,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 191 states and 314 transitions. [2023-11-24 23:12:02,956 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 314 transitions. [2023-11-24 23:12:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:02,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:02,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:03,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:03,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 191 states and 308 transitions. [2023-11-24 23:12:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 308 transitions. [2023-11-24 23:12:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:12:03,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:03,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:03,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:03,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 191 states and 304 transitions. [2023-11-24 23:12:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 304 transitions. [2023-11-24 23:12:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:12:03,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:03,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:03,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:03,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 191 states and 298 transitions. [2023-11-24 23:12:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2023-11-24 23:12:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:12:03,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:03,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:03,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:03,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:13,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 191 states and 292 transitions. [2023-11-24 23:12:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 292 transitions. [2023-11-24 23:12:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:12:13,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:13,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:14,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:12:14,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:24,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:34,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:44,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:54,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:12:55,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:55,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 224 states and 335 transitions. [2023-11-24 23:12:55,232 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 335 transitions. [2023-11-24 23:12:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:12:55,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:55,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:55,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:12:55,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 224 states and 333 transitions. [2023-11-24 23:12:55,546 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 333 transitions. [2023-11-24 23:12:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:12:55,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:55,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:55,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:12:55,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.