./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/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_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/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_ad61aed2-14aa-4de6-b239-29f1b288cf5b/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 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:09,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:09,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:01:09,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:09,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:09,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:09,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:09,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:09,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:09,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:09,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:09,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:09,936 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:09,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:09,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:09,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:09,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:09,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:09,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:09,941 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:09,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:09,942 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:09,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:09,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:09,944 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:09,945 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:09,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:09,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:09,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:09,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:09,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:09,948 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:09,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:09,949 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:09,950 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_ad61aed2-14aa-4de6-b239-29f1b288cf5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3326bc22943076798f4c55311213b2a5f9b1e03e68dc17c2ac5a3393252251 [2023-11-12 00:01:10,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:10,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:10,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:10,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:10,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:10,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2023-11-12 00:01:13,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:13,776 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:13,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-2.i [2023-11-12 00:01:13,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/data/4027a2b31/f986aec8380148ba96604d30ed529e66/FLAGcce9311e8 [2023-11-12 00:01:13,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/data/4027a2b31/f986aec8380148ba96604d30ed529e66 [2023-11-12 00:01:13,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:13,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:13,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:13,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:13,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:13,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:13" (1/1) ... [2023-11-12 00:01:13,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba36eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:13, skipping insertion in model container [2023-11-12 00:01:13,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:13" (1/1) ... [2023-11-12 00:01:13,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:14,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:14,777 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:14,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:14,992 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:15,000 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:15,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15 WrapperNode [2023-11-12 00:01:15,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:15,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:15,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:15,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:15,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,143 INFO L138 Inliner]: procedures = 208, calls = 288, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1380 [2023-11-12 00:01:15,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:15,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:15,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:15,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:15,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:15,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:15,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:15,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:15,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:15" (1/1) ... [2023-11-12 00:01:15,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:15,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:15,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:15,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad61aed2-14aa-4de6-b239-29f1b288cf5b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-12 00:01:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-12 00:01:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:01:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:01:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:01:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:01:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:01:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:01:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:01:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:01:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:01:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:01:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:15,623 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:15,626 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:17,611 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:19,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:19,387 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-12 00:01:19,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:19 BoogieIcfgContainer [2023-11-12 00:01:19,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:19,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:19,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:19,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:19,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:01:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2023-11-12 00:01:19,502 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2023-11-12 00:01:19,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:01:19,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:19,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:19,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:01:19,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:01:19,796 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 00:01:19,867 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:01:19,870 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-12 00:01:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:19,884 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 00:01:19,893 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 00:01:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-11-12 00:01:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-11-12 00:01:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:01:19,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:19,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:20,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:01:20,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:01:20,064 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 00:01:20,070 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 00:01:20,113 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:01:20,114 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-12 00:01:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:01:20,121 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 00:01:20,128 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 00:01:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:20,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 153 states and 249 transitions. [2023-11-12 00:01:20,267 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 249 transitions. [2023-11-12 00:01:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:01:20,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:20,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:20,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:01:20,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:01:20,360 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 00:01:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2023-11-12 00:01:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2023-11-12 00:01:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:01:20,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:20,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:20,556 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 00:01:20,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 153 states and 243 transitions. [2023-11-12 00:01:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-12 00:01:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:01:20,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:20,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:20,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:01:20,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:01:20,791 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 00:01:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 153 states and 239 transitions. [2023-11-12 00:01:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 239 transitions. [2023-11-12 00:01:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:01:20,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:20,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:20,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:01:20,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:01:20,966 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 00:01:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 153 states and 233 transitions. [2023-11-12 00:01:20,982 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 233 transitions. [2023-11-12 00:01:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:01:20,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:20,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:21,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:01:21,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:01:21,193 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 00:01:31,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:01:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:01:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 153 states and 227 transitions. [2023-11-12 00:01:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 227 transitions. [2023-11-12 00:01:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:01:31,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:01:31,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:01:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:01:31,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:01:31,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:01:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:01:42,250 WARN L539 Checker$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 00:01:52,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:02:02,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:02:12,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:02:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 168 states and 246 transitions. [2023-11-12 00:02:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2023-11-12 00:02:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:02:12,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:12,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:12,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:02:12,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:12,749 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 00:02:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 168 states and 244 transitions. [2023-11-12 00:02:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 244 transitions. [2023-11-12 00:02:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 00:02:12,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:12,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:12,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:02:12,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:12,972 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 00:02:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 168 states and 242 transitions. [2023-11-12 00:02:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 242 transitions. [2023-11-12 00:02:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:02:12,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:12,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:13,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:02:13,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:02:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.