./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.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_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/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_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/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_0ffa8522-44fc-4407-963a-4283eb6eec8c/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 e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:20,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:20,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:51:20,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:51:20,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:51:20,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:20,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:20,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:20,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:20,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:20,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:20,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:20,391 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:20,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:20,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:20,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:20,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:20,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:20,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:20,396 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:51:20,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:51:20,397 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:20,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:20,400 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:20,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:20,401 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:20,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:20,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:20,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:20,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:20,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:20,405 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:51:20,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:51:20,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:20,407 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_0ffa8522-44fc-4407-963a-4283eb6eec8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2023-11-11 23:51:20,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:20,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:20,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:20,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:20,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:20,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-11-11 23:51:23,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:24,252 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:24,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-11-11 23:51:24,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/data/2d5dc95b3/c3e50be8613f487783441c5672269fab/FLAG57c041ac7 [2023-11-11 23:51:24,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/data/2d5dc95b3/c3e50be8613f487783441c5672269fab [2023-11-11 23:51:24,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:24,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:24,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:24,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:24,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:24,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:24" (1/1) ... [2023-11-11 23:51:24,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75282b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:24, skipping insertion in model container [2023-11-11 23:51:24,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:24" (1/1) ... [2023-11-11 23:51:24,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:25,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:25,438 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:25,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:25,724 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:25,732 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:25,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25 WrapperNode [2023-11-11 23:51:25,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:25,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:25,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:25,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:25,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,934 INFO L138 Inliner]: procedures = 282, calls = 351, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1552 [2023-11-11 23:51:25,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:25,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:25,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:25,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:25,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:25,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:26,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:26,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:26,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:26,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:26,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:26,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:26,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:26,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:26,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:25" (1/1) ... [2023-11-11 23:51:26,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:26,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:26,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:26,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ffa8522-44fc-4407-963a-4283eb6eec8c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:51:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:51:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:51:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:51:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:51:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-11 23:51:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-11 23:51:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:51:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:51:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:51:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:51:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:51:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-11 23:51:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-11 23:51:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:51:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-11 23:51:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-11 23:51:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:51:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:26,484 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:26,490 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:28,278 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:29,977 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:29,977 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-11 23:51:29,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:29 BoogieIcfgContainer [2023-11-11 23:51:29,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:29,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:29,984 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:29,994 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:29,995 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:29" (1/1) ... [2023-11-11 23:51:30,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:51:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:30,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 196 states and 304 transitions. [2023-11-11 23:51:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-11-11 23:51:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:51:30,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:30,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:30,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:51:30,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:30,436 INFO L322 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-11 23:51:30,437 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-11-11 23:51:30,449 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 8 treesize of output 7 [2023-11-11 23:51:30,486 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 8 treesize of output 7 [2023-11-11 23:51:30,514 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 14 [2023-11-11 23:51:30,579 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:30,581 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-11 23:51:30,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:51:30,588 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 22 treesize of output 10 [2023-11-11 23:51:30,600 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 23:51:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 199 states and 309 transitions. [2023-11-11 23:51:30,664 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 309 transitions. [2023-11-11 23:51:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:51:30,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:30,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:30,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:51:30,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:30,796 INFO L322 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-11-11 23:51:30,797 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2023-11-11 23:51:30,806 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 8 treesize of output 7 [2023-11-11 23:51:30,831 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 8 treesize of output 7 [2023-11-11 23:51:30,858 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-11 23:51:30,872 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:30,872 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2023-11-11 23:51:30,876 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2023-11-11 23:51:30,908 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:51:30,909 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:51:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:51:30,918 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 23:51:30,933 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 23:51:30,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 200 states and 311 transitions. [2023-11-11 23:51:30,976 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 311 transitions. [2023-11-11 23:51:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:51:30,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:30,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:31,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:51:31,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:31,153 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 23:51:31,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 200 states and 309 transitions. [2023-11-11 23:51:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 309 transitions. [2023-11-11 23:51:31,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:51:31,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:31,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:31,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:51:31,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:31,334 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 23:51:31,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 200 states and 303 transitions. [2023-11-11 23:51:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 303 transitions. [2023-11-11 23:51:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:51:31,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:31,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:31,551 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 23:51:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 198 states and 293 transitions. [2023-11-11 23:51:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2023-11-11 23:51:31,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:51:31,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:31,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:31,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:51:31,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:31,780 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 23:51:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 198 states and 291 transitions. [2023-11-11 23:51:31,787 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 291 transitions. [2023-11-11 23:51:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:51:31,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:31,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:31,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:51:31,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:31,924 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 23:51:41,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:51:41,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:41,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 198 states and 289 transitions. [2023-11-11 23:51:41,983 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 289 transitions. [2023-11-11 23:51:41,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:51:41,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:41,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:42,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:51:42,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:51:42,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:51:52,803 WARN L539 Checker$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 23:52:02,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:52:12,868 WARN L539 Checker$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 23:52:23,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:52:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 216 states and 317 transitions. [2023-11-11 23:52:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 317 transitions. [2023-11-11 23:52:23,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:52:23,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:23,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:23,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:52:23,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.