./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL --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 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:20,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:20,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:56:20,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:20,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:20,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:20,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:20,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:20,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:20,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:20,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:20,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:20,518 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:20,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:20,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:20,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:20,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:20,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:20,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:20,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:56:20,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:20,523 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:20,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:20,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:20,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:20,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:20,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:20,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:20,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:20,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:20,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:20,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:20,529 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:20,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:20,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:20,530 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_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2023-11-19 02:56:20,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:20,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:20,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:20,791 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:20,792 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:20,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2023-11-19 02:56:23,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:24,301 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:24,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2023-11-19 02:56:24,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/data/f382e8e6c/2e495f12debb4277afa206ef5cd75753/FLAG866458e07 [2023-11-19 02:56:24,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/data/f382e8e6c/2e495f12debb4277afa206ef5cd75753 [2023-11-19 02:56:24,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:24,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:24,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:24,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:24,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:24,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dad13ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24, skipping insertion in model container [2023-11-19 02:56:24,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,414 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:25,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:25,041 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:25,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:25,199 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:25,205 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:25,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25 WrapperNode [2023-11-19 02:56:25,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:25,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:25,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:25,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:25,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,411 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-19 02:56:25,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:25,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:25,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:25,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:25,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:25,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:25,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:25,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:25,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:25" (1/1) ... [2023-11-19 02:56:25,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:25,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:25,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:25,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_017407f6-5e6d-4d42-8897-774c7007ab98/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 02:56:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 02:56:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:56:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:56:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:56:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:56:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-19 02:56:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-19 02:56:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:56:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:56:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:56:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:56:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:25,903 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:25,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:27,734 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:29,538 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:29,538 INFO L302 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-19 02:56:29,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:29 BoogieIcfgContainer [2023-11-19 02:56:29,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:29,546 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:29,546 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:29,556 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:29,556 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:29" (1/1) ... [2023-11-19 02:56:29,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2023-11-19 02:56:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2023-11-19 02:56:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:56:29,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:29,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:29,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:29,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:29,874 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 [2023-11-19 02:56:29,883 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 [2023-11-19 02:56:29,924 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:56:29,926 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 02:56:29,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:29,933 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 [2023-11-19 02:56:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2023-11-19 02:56:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2023-11-19 02:56:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:56:29,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:29,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:30,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:30,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:30,089 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 [2023-11-19 02:56:30,094 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 [2023-11-19 02:56:30,122 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:56:30,123 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-19 02:56:30,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:56:30,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-19 02:56:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:30,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:30,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 191 states and 317 transitions. [2023-11-19 02:56:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 317 transitions. [2023-11-19 02:56:30,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:56:30,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:30,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:30,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:30,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:30,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:30,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions. [2023-11-19 02:56:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions. [2023-11-19 02:56:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:56:30,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:30,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:30,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 191 states and 309 transitions. [2023-11-19 02:56:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 309 transitions. [2023-11-19 02:56:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:56:30,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:30,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:30,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:30,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 191 states and 305 transitions. [2023-11-19 02:56:30,827 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 305 transitions. [2023-11-19 02:56:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:30,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:30,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:30,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:30,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 191 states and 299 transitions. [2023-11-19 02:56:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 299 transitions. [2023-11-19 02:56:30,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:56:30,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:30,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:31,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:31,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:33,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:56:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 191 states and 293 transitions. [2023-11-19 02:56:33,875 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 293 transitions. [2023-11-19 02:56:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:56:33,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:33,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:34,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:56:34,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:44,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:56:54,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:57:04,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:57:14,878 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 [] [2023-11-19 02:57:15,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 224 states and 337 transitions. [2023-11-19 02:57:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 337 transitions. [2023-11-19 02:57:15,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:57:15,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:15,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:15,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:15,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 224 states and 335 transitions. [2023-11-19 02:57:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 335 transitions. [2023-11-19 02:57:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:57:15,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:15,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:15,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:15,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:26,583 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 [] [2023-11-19 02:57:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 258 states and 381 transitions. [2023-11-19 02:57:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 381 transitions. [2023-11-19 02:57:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:57:28,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:28,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:28,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:28,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:28,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:28,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 258 states and 379 transitions. [2023-11-19 02:57:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 379 transitions. [2023-11-19 02:57:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:57:28,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:28,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:28,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:28,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.