./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV --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 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:19,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:19,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:42:19,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:19,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:19,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:19,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:19,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:19,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:19,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:19,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:19,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:19,398 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:42:19,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:19,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:42:19,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:19,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:19,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:19,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:19,402 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:42:19,403 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:42:19,405 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:42:19,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:19,406 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:19,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:19,411 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:19,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:19,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:19,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:19,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:19,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:19,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:19,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:19,416 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:19,417 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_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f [2023-11-11 23:42:19,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:19,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:19,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:19,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:19,675 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:19,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i [2023-11-11 23:42:22,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:23,104 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:23,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i [2023-11-11 23:42:23,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/data/77b18d912/b05bbfd76acc42a1ae54457ab0b65162/FLAG1b8798b93 [2023-11-11 23:42:23,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/data/77b18d912/b05bbfd76acc42a1ae54457ab0b65162 [2023-11-11 23:42:23,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:23,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:23,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:23,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:23,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:23,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:23" (1/1) ... [2023-11-11 23:42:23,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea436ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:23, skipping insertion in model container [2023-11-11 23:42:23,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:23" (1/1) ... [2023-11-11 23:42:23,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:23,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:23,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:23,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:24,003 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:24,011 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:24,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24 WrapperNode [2023-11-11 23:42:24,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:24,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:24,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:24,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:24,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,145 INFO L138 Inliner]: procedures = 177, calls = 338, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1532 [2023-11-11 23:42:24,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:24,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:24,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:24,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:24,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:24,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:24,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:24,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:24,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:24" (1/1) ... [2023-11-11 23:42:24,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:24,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:24,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:24,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0145bfb4-688f-4b8e-96a5-7c6975ea0924/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:42:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:42:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:42:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:42:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:42:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:42:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:42:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:42:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:42:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:42:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:42:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:42:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:42:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:42:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:24,713 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:24,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:26,586 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:28,423 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:28,424 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-11 23:42:28,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:28 BoogieIcfgContainer [2023-11-11 23:42:28,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:42:28,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:42:28,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:42:28,440 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:42:28,440 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:28" (1/1) ... [2023-11-11 23:42:28,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:42:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 162 states and 265 transitions. [2023-11-11 23:42:28,543 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 265 transitions. [2023-11-11 23:42:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:42:28,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:28,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:28,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:42:28,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:28,850 INFO L351 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 [2023-11-11 23:42:28,861 INFO L351 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 [2023-11-11 23:42:28,924 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:42:28,925 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:42:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:42:28,933 INFO L351 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 [2023-11-11 23:42:28,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:29,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 165 states and 270 transitions. [2023-11-11 23:42:29,013 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2023-11-11 23:42:29,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:42:29,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:29,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:29,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:42:29,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:29,158 INFO L351 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 [2023-11-11 23:42:29,214 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:42:29,214 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:42:29,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:42:29,221 INFO L351 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 [2023-11-11 23:42:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:29,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 168 states and 275 transitions. [2023-11-11 23:42:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 275 transitions. [2023-11-11 23:42:29,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:42:29,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:29,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 168 states and 274 transitions. [2023-11-11 23:42:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 274 transitions. [2023-11-11 23:42:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:42:29,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:29,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:29,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:42:29,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:29,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:29,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 168 states and 272 transitions. [2023-11-11 23:42:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2023-11-11 23:42:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:42:29,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:29,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 168 states and 271 transitions. [2023-11-11 23:42:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 271 transitions. [2023-11-11 23:42:29,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:42:29,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:29,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:30,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:42:30,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 168 states and 267 transitions. [2023-11-11 23:42:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 267 transitions. [2023-11-11 23:42:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:42:30,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:30,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:30,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:42:30,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 168 states and 261 transitions. [2023-11-11 23:42:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 261 transitions. [2023-11-11 23:42:30,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:42:30,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:30,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:30,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:42:30,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:40,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:42:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 168 states and 255 transitions. [2023-11-11 23:42:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 255 transitions. [2023-11-11 23:42:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:42:40,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:40,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:40,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:42:40,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:51,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:43:01,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:43:11,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:43:21,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:43:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 183 states and 274 transitions. [2023-11-11 23:43:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 274 transitions. [2023-11-11 23:43:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:43:21,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:21,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:43:21,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:43:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 183 states and 272 transitions. [2023-11-11 23:43:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 272 transitions. [2023-11-11 23:43:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:43:21,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:21,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:22,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:43:22,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:43:22,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 183 states and 270 transitions. [2023-11-11 23:43:22,207 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 270 transitions. [2023-11-11 23:43:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:43:22,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:22,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:22,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:43:22,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:43:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.