./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/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_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/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_ae899809-0ff4-4a24-b002-c0e838f14e05/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 cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:12,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:12,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:54:12,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:54:12,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:54:12,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:12,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:12,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:12,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:12,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:12,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:12,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:12,240 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:54:12,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:54:12,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:54:12,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:12,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:12,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:12,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:12,245 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:54:12,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:54:12,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:54:12,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:12,247 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:12,248 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:12,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:12,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:12,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:12,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:12,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:12,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:12,253 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:54:12,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:54:12,254 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:12,254 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_ae899809-0ff4-4a24-b002-c0e838f14e05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2023-11-11 23:54:12,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:12,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:12,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:12,589 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:12,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:12,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2023-11-11 23:54:15,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:16,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:16,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2023-11-11 23:54:16,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/data/939da85b1/fbeb4ee9a267461caae9766befc72056/FLAG3bc0b7fe0 [2023-11-11 23:54:16,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/data/939da85b1/fbeb4ee9a267461caae9766befc72056 [2023-11-11 23:54:16,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:16,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:16,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:16,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:16,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:16,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:16" (1/1) ... [2023-11-11 23:54:16,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb1c09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:16, skipping insertion in model container [2023-11-11 23:54:16,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:16" (1/1) ... [2023-11-11 23:54:16,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:17,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:17,237 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:17,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:17,600 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:17,608 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:17,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17 WrapperNode [2023-11-11 23:54:17,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:17,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:17,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:17,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:17,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:17,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:17,833 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3360 [2023-11-11 23:54:17,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:17,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:17,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:17,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:17,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:17,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:17,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:17,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:17,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:17,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:18,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:18,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:18,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:18,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:18,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:18,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:18,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:17" (1/1) ... [2023-11-11 23:54:18,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:18,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:18,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:18,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae899809-0ff4-4a24-b002-c0e838f14e05/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:54:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:54:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:54:18,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:54:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:54:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:54:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:54:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:54:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:54:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:54:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:54:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:54:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:54:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:54:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:54:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:54:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:18,414 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:18,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:21,957 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:24,170 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:24,170 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-11 23:54:24,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:24 BoogieIcfgContainer [2023-11-11 23:54:24,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:54:24,177 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:54:24,177 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:54:24,187 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:54:24,187 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:24" (1/1) ... [2023-11-11 23:54:24,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:54:24,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1137 states and 2219 transitions. [2023-11-11 23:54:24,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2219 transitions. [2023-11-11 23:54:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:54:24,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:24,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:24,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:54:24,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:24,658 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 23:54:24,732 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:54:24,734 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:54:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:54:24,744 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 23:54:24,754 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 23:54:24,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1140 states and 2224 transitions. [2023-11-11 23:54:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2224 transitions. [2023-11-11 23:54:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:54:24,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:24,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:24,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:54:24,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:24,957 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 23:54:24,996 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:54:24,997 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:54:25,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:54:25,009 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 23:54:25,017 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 23:54:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:25,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1141 states and 2225 transitions. [2023-11-11 23:54:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2225 transitions. [2023-11-11 23:54:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:54:25,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:25,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:25,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:54:25,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1141 states and 2223 transitions. [2023-11-11 23:54:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2223 transitions. [2023-11-11 23:54:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:54:25,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:25,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:25,476 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 23:54:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1141 states and 2219 transitions. [2023-11-11 23:54:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2219 transitions. [2023-11-11 23:54:25,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:54:25,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:25,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:25,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:54:25,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:25,670 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 23:54:25,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:25,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1141 states and 2215 transitions. [2023-11-11 23:54:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2215 transitions. [2023-11-11 23:54:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:54:25,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:25,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:25,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:54:25,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:25,792 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 23:54:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1141 states and 2209 transitions. [2023-11-11 23:54:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2209 transitions. [2023-11-11 23:54:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:54:25,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:25,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:25,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:54:25,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:25,994 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 23:54:36,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:54:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1141 states and 2203 transitions. [2023-11-11 23:54:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2203 transitions. [2023-11-11 23:54:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:54:36,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:36,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:36,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:54:36,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:47,045 WARN L539 Checker$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 23:54:57,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:55:07,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:55:17,131 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 [] [2023-11-11 23:55:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:17,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1156 states and 2221 transitions. [2023-11-11 23:55:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2221 transitions. [2023-11-11 23:55:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:55:17,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:17,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:17,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:55:17,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:17,475 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 23:55:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1156 states and 2219 transitions. [2023-11-11 23:55:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2219 transitions. [2023-11-11 23:55:17,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:55:17,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:17,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:17,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:55:17,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:17,716 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 23:55:17,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1156 states and 2217 transitions. [2023-11-11 23:55:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2217 transitions. [2023-11-11 23:55:17,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:55:17,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:17,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:17,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:55:17,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.