./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_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_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/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_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/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_fccf8a7d-f587-4c0a-bb5c-c0070a151473/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 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:17,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:17,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:59:17,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:17,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:17,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:17,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:17,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:17,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:17,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:17,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:17,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:17,799 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:59:17,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:17,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:59:17,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:17,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:17,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:17,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:17,820 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:17,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:17,821 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:59:17,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:17,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:17,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:17,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:17,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:17,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:17,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:17,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:17,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:17,829 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:17,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:17,830 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:17,830 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_fccf8a7d-f587-4c0a-bb5c-c0070a151473/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2023-11-11 23:59:18,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:18,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:18,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:18,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:18,213 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:18,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-11-11 23:59:21,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:21,792 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:21,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2023-11-11 23:59:21,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/data/dd64e6628/3ae046c758374005a991a999723a2bf8/FLAG2789b9182 [2023-11-11 23:59:21,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/data/dd64e6628/3ae046c758374005a991a999723a2bf8 [2023-11-11 23:59:21,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:21,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:21,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:21,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:21,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:21,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:21" (1/1) ... [2023-11-11 23:59:21,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6470f3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:21, skipping insertion in model container [2023-11-11 23:59:21,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:21" (1/1) ... [2023-11-11 23:59:21,956 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:22,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:22,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:22,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:22,853 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:22,861 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:22,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22 WrapperNode [2023-11-11 23:59:22,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:22,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:22,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:22,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:22,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:22,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,008 INFO L138 Inliner]: procedures = 208, calls = 288, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1380 [2023-11-11 23:59:23,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:23,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:23,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:23,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:23,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:23,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:23,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:23,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:23,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:22" (1/1) ... [2023-11-11 23:59:23,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:23,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:23,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:23,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fccf8a7d-f587-4c0a-bb5c-c0070a151473/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:59:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:59:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:59:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:59:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:59:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:59:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:59:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:59:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:59:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:59:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:23,490 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:23,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:25,368 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:27,020 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:27,021 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-11 23:59:27,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:27 BoogieIcfgContainer [2023-11-11 23:59:27,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:27,025 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:27,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:27,036 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:27,036 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:27" (1/1) ... [2023-11-11 23:59:27,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:27,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2023-11-11 23:59:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2023-11-11 23:59:27,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:59:27,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:27,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:27,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:59:27,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:27,405 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 [2023-11-11 23:59:27,469 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:59:27,471 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:59:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:59:27,487 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-11 23:59:27,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 150 states and 244 transitions. [2023-11-11 23:59:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions. [2023-11-11 23:59:27,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:59:27,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:27,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:27,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:59:27,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:27,694 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 [2023-11-11 23:59:27,699 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 [2023-11-11 23:59:27,737 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:59:27,738 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:59:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:59:27,758 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-11 23:59:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 153 states and 249 transitions. [2023-11-11 23:59:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 249 transitions. [2023-11-11 23:59:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:59:27,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:27,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:28,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:28,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:28,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:28,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2023-11-11 23:59:28,058 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2023-11-11 23:59:28,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:59:28,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:28,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 153 states and 243 transitions. [2023-11-11 23:59:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 243 transitions. [2023-11-11 23:59:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:59:28,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:28,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:28,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:28,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:28,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 153 states and 239 transitions. [2023-11-11 23:59:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 239 transitions. [2023-11-11 23:59:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:59:28,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:28,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:28,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:28,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 153 states and 233 transitions. [2023-11-11 23:59:28,727 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 233 transitions. [2023-11-11 23:59:28,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:59:28,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:28,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:28,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:59:28,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:38,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:59:39,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 153 states and 227 transitions. [2023-11-11 23:59:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 227 transitions. [2023-11-11 23:59:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:59:39,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:39,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:39,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:59:39,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:50,049 WARN L539 Checker$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 00:00:00,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:00:10,136 WARN L539 Checker$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 00:00:20,183 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 00:00:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:20,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 168 states and 246 transitions. [2023-11-12 00:00:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2023-11-12 00:00:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:00:20,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:20,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:20,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:00:20,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:20,511 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 00:00:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 168 states and 244 transitions. [2023-11-12 00:00:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 244 transitions. [2023-11-12 00:00:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 00:00:20,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:20,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:20,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:00:20,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:20,797 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 00:00:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 168 states and 242 transitions. [2023-11-12 00:00:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 242 transitions. [2023-11-12 00:00:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:00:20,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:20,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:21,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:00:21,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:00:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.