./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL --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 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:08,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:08,347 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:01:08,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:08,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:08,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:08,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:08,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:08,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:08,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:08,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:08,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:08,384 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:08,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:08,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:08,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:08,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:08,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:08,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:08,388 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:01:08,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:08,389 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:08,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:08,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:08,391 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:08,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:08,392 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:08,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:08,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:08,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:08,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:08,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:08,396 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:08,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:08,397 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:08,398 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_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d [2023-11-19 04:01:08,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:08,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:08,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:08,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:08,702 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:08,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2023-11-19 04:01:11,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:12,154 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:12,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2023-11-19 04:01:12,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/data/c53736b78/689177e0f7aa4ed8a770d7c2441725b8/FLAG70bd5204f [2023-11-19 04:01:12,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/data/c53736b78/689177e0f7aa4ed8a770d7c2441725b8 [2023-11-19 04:01:12,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:12,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:12,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:12,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:12,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:12,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:12,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a290ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:12, skipping insertion in model container [2023-11-19 04:01:12,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:12" (1/1) ... [2023-11-19 04:01:12,265 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:12,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:12,955 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:13,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:13,159 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:13,167 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:13,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13 WrapperNode [2023-11-19 04:01:13,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:13,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:13,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:13,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:13,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,375 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-19 04:01:13,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:13,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:13,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:13,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:13,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:13,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:13,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:13,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:13,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:13" (1/1) ... [2023-11-19 04:01:13,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:13,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:13,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:13,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36ee9ad0-d076-43ee-ad52-9c77c1f81c90/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 04:01:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 04:01:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:01:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:01:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:01:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:01:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:01:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:01:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:01:13,678 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:01:13,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:01:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:01:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:13,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:13,949 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:13,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:15,644 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:17,462 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:17,462 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 04:01:17,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:17 BoogieIcfgContainer [2023-11-19 04:01:17,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:17,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:17,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:17,483 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:17,484 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:17" (1/1) ... [2023-11-19 04:01:17,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 144 states and 237 transitions. [2023-11-19 04:01:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2023-11-19 04:01:17,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:01:17,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:17,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:17,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:17,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:17,887 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 [2023-11-19 04:01:17,899 INFO L378 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 [2023-11-19 04:01:17,945 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:01:17,946 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 04:01:17,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:01:17,956 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 [2023-11-19 04:01:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 242 transitions. [2023-11-19 04:01:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2023-11-19 04:01:18,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:01:18,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,117 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 [2023-11-19 04:01:18,122 INFO L378 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 [2023-11-19 04:01:18,150 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:01:18,151 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-19 04:01:18,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:01:18,158 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 [2023-11-19 04:01:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 148 states and 243 transitions. [2023-11-19 04:01:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 243 transitions. [2023-11-19 04:01:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:01:18,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 148 states and 241 transitions. [2023-11-19 04:01:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 241 transitions. [2023-11-19 04:01:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:01:18,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 148 states and 237 transitions. [2023-11-19 04:01:18,455 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 237 transitions. [2023-11-19 04:01:18,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:01:18,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 148 states and 231 transitions. [2023-11-19 04:01:18,825 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 231 transitions. [2023-11-19 04:01:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:18,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-11-19 04:01:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-11-19 04:01:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:01:18,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:19,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:19,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:29,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 148 states and 219 transitions. [2023-11-19 04:01:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 219 transitions. [2023-11-19 04:01:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:01:29,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:29,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:29,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:40,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:50,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:56,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:01:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 163 states and 237 transitions. [2023-11-19 04:01:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 237 transitions. [2023-11-19 04:01:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:01:56,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:56,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:56,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:56,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 163 states and 235 transitions. [2023-11-19 04:01:56,614 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 235 transitions. [2023-11-19 04:01:56,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:01:56,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:56,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:56,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:56,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 163 states and 233 transitions. [2023-11-19 04:01:56,843 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 233 transitions. [2023-11-19 04:01:56,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:01:56,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:56,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:57,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:57,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:07,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:02:07,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 161 states and 227 transitions. [2023-11-19 04:02:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 227 transitions. [2023-11-19 04:02:07,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:02:07,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:07,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:12,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:02:12,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 163 states and 231 transitions. [2023-11-19 04:02:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 231 transitions. [2023-11-19 04:02:12,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:02:12,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:12,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:15,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:02:15,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:16,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 165 states and 234 transitions. [2023-11-19 04:02:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 234 transitions. [2023-11-19 04:02:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:02:16,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:16,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms