./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2 --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 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:28,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:28,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:28,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:28,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:28,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:28,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:28,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:28,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:28,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:28,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:28,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:28,602 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:28,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:28,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:28,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:28,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:28,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:28,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:28,613 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:28,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:28,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:28,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:28,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:28,615 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:28,615 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:28,616 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:28,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:28,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:28,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:28,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:28,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:28,618 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:28,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:28,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:28,619 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_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 [2023-11-21 18:25:28,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:28,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:28,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:28,938 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:28,938 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:28,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2023-11-21 18:25:32,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:32,440 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:32,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2023-11-21 18:25:32,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/data/3e6d5ec31/90cddffb23c6486183e0b47b9f173482/FLAG166ba3f91 [2023-11-21 18:25:32,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/data/3e6d5ec31/90cddffb23c6486183e0b47b9f173482 [2023-11-21 18:25:32,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:32,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:32,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:32,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:32,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:32,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:32" (1/1) ... [2023-11-21 18:25:32,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603d8b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:32, skipping insertion in model container [2023-11-21 18:25:32,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:32" (1/1) ... [2023-11-21 18:25:32,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:33,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:33,388 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:33,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:33,687 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:25:33,695 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:33,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33 WrapperNode [2023-11-21 18:25:33,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:33,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:33,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:33,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:33,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,933 INFO L138 Inliner]: procedures = 177, calls = 525, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3140 [2023-11-21 18:25:33,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:33,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:33,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:33,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:33,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:33,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:34,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:34,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:34,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:34,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:34,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:34,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:34,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:34,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:34,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:33" (1/1) ... [2023-11-21 18:25:34,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:34,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:34,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:34,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d41d8b-7a1f-4f06-968a-780ad731821c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-11-21 18:25:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-11-21 18:25:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:25:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:34,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:25:34,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:25:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:25:34,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:25:34,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:34,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:25:34,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:25:34,255 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:34,596 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:34,601 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:37,834 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:44,202 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:44,203 INFO L308 CfgBuilder]: Removed 151 assume(true) statements. [2023-11-21 18:25:44,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:44 BoogieIcfgContainer [2023-11-21 18:25:44,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:44,207 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:44,207 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:44,221 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:44,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:44" (1/1) ... [2023-11-21 18:25:44,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 279 states and 479 transitions. [2023-11-21 18:25:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 479 transitions. [2023-11-21 18:25:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:25:44,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:44,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:44,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:44,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:44,812 INFO L378 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 [2023-11-21 18:25:44,872 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:25:44,874 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:25:44,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,909 INFO L378 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 [2023-11-21 18:25:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:45,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 282 states and 484 transitions. [2023-11-21 18:25:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 484 transitions. [2023-11-21 18:25:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:25:45,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:45,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:45,226 INFO L378 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 [2023-11-21 18:25:45,259 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:25:45,260 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:25:45,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:45,268 INFO L378 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 [2023-11-21 18:25:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:45,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 283 states and 485 transitions. [2023-11-21 18:25:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 485 transitions. [2023-11-21 18:25:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:45,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:45,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 283 states and 483 transitions. [2023-11-21 18:25:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 483 transitions. [2023-11-21 18:25:45,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:45,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:45,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 283 states and 480 transitions. [2023-11-21 18:25:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 480 transitions. [2023-11-21 18:25:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:25:45,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 283 states and 476 transitions. [2023-11-21 18:25:45,817 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 476 transitions. [2023-11-21 18:25:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:25:45,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:45,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 283 states and 472 transitions. [2023-11-21 18:25:45,976 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 472 transitions. [2023-11-21 18:25:45,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:45,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 283 states and 469 transitions. [2023-11-21 18:25:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 469 transitions. [2023-11-21 18:25:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:25:46,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:46,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:46,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:46,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 283 states and 463 transitions. [2023-11-21 18:25:46,477 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 463 transitions. [2023-11-21 18:25:46,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:25:46,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:46,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:46,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:46,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:56,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:25:56,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 283 states and 457 transitions. [2023-11-21 18:25:56,845 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 457 transitions. [2023-11-21 18:25:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:25:56,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:57,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:57,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:07,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:26:17,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:26:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:18,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 291 states and 469 transitions. [2023-11-21 18:26:18,573 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 469 transitions. [2023-11-21 18:26:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:26:18,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:18,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:18,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:26:18,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:18,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 291 states and 467 transitions. [2023-11-21 18:26:18,975 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 467 transitions. [2023-11-21 18:26:18,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:26:18,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:18,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:26:19,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 291 states and 465 transitions. [2023-11-21 18:26:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 465 transitions. [2023-11-21 18:26:19,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:26:19,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:19,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:26:19,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:19,735 INFO L378 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 [2023-11-21 18:26:19,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:26:19,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-21 18:26:19,857 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:26:19,860 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:26:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:26:19,869 INFO L378 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 [2023-11-21 18:26:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:26:20,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 294 states and 471 transitions. [2023-11-21 18:26:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 471 transitions. [2023-11-21 18:26:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:26:20,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:20,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:26:20,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:20,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:26:20,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 294 states and 466 transitions. [2023-11-21 18:26:20,719 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 466 transitions. [2023-11-21 18:26:20,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:26:20,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:20,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:21,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:26:21,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:26:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 294 states and 460 transitions. [2023-11-21 18:26:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 460 transitions. [2023-11-21 18:26:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:26:21,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:21,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:21,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:26:21,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:21,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.