./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.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_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/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_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/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_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/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 b879d991ca85089954916015c9838d386a5c85365dad0e09e537aeb772eaaaf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:32,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:33,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:02:33,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:33,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:33,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:33,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:33,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:33,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:33,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:33,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:33,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:33,084 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:02:33,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:33,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:02:33,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:33,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:33,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:33,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:33,088 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:33,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:33,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:02:33,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:33,094 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:33,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:33,095 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:33,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:33,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:33,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:33,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:33,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:33,102 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:33,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:33,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:33,103 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_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b879d991ca85089954916015c9838d386a5c85365dad0e09e537aeb772eaaaf8 [2023-11-12 00:02:33,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:33,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:33,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:33,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:33,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:33,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i [2023-11-12 00:02:36,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:36,997 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:36,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i [2023-11-12 00:02:37,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/data/498c36d65/2168ac38494049a1adbeeb353bd487cd/FLAG51e925363 [2023-11-12 00:02:37,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/data/498c36d65/2168ac38494049a1adbeeb353bd487cd [2023-11-12 00:02:37,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:37,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:37,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:37,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:37,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:37,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:37" (1/1) ... [2023-11-12 00:02:37,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29abaaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:37, skipping insertion in model container [2023-11-12 00:02:37,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:37" (1/1) ... [2023-11-12 00:02:37,153 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:37,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:37,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:38,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:38,127 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:38,136 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:38,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38 WrapperNode [2023-11-12 00:02:38,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:38,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:38,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:38,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:38,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,286 INFO L138 Inliner]: procedures = 208, calls = 288, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1380 [2023-11-12 00:02:38,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:38,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:38,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:38,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:38,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:38,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:38,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:38,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:38,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:38,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:38,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:38,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f4f312-03fc-4d1e-a987-b6ea6ed1207b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-12 00:02:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-12 00:02:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:02:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:02:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:02:38,577 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:02:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:02:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:02:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:02:38,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:02:38,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:02:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:02:38,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:02:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:02:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:02:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:38,833 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:38,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:40,933 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:42,617 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:42,618 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-12 00:02:42,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:42 BoogieIcfgContainer [2023-11-12 00:02:42,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:42,623 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:42,623 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:42,633 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:42,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:42" (1/1) ... [2023-11-12 00:02:42,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:02:42,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2023-11-12 00:02:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2023-11-12 00:02:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:02:42,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:42,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:42,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:02:42,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:43,078 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 [2023-11-12 00:02:43,131 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:02:43,133 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-12 00:02:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:02:43,142 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 [2023-11-12 00:02:43,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-11-12 00:02:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-11-12 00:02:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:02:43,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:43,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:43,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:02:43,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:43,361 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 [2023-11-12 00:02:43,372 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 [2023-11-12 00:02:43,440 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:02:43,441 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-12 00:02:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:02:43,451 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 [2023-11-12 00:02:43,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:43,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 153 states and 249 transitions. [2023-11-12 00:02:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 249 transitions. [2023-11-12 00:02:43,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:02:43,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:43,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:43,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:02:43,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2023-11-12 00:02:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2023-11-12 00:02:43,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:02:43,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:43,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:43,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 153 states and 243 transitions. [2023-11-12 00:02:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-12 00:02:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:02:44,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:44,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:44,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:02:44,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 153 states and 239 transitions. [2023-11-12 00:02:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 239 transitions. [2023-11-12 00:02:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:02:44,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:44,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:44,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:02:44,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:44,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 153 states and 233 transitions. [2023-11-12 00:02:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 233 transitions. [2023-11-12 00:02:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:02:44,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:44,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:44,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:02:44,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:54,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:02:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 153 states and 227 transitions. [2023-11-12 00:02:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 227 transitions. [2023-11-12 00:02:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:02:54,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:54,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:54,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:02:54,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:05,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:03:15,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:03:25,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:03:35,669 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 [] [2023-11-12 00:03:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 168 states and 246 transitions. [2023-11-12 00:03:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2023-11-12 00:03:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:03:35,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:35,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:35,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:03:35,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:35,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 168 states and 244 transitions. [2023-11-12 00:03:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 244 transitions. [2023-11-12 00:03:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 00:03:35,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:35,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:36,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:03:36,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:36,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:36,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 168 states and 242 transitions. [2023-11-12 00:03:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 242 transitions. [2023-11-12 00:03:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:03:36,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:36,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:36,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:03:36,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.