./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC --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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:02,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:02,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:08:02,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:02,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:02,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:02,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:02,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:02,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:02,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:02,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:02,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:02,709 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:08:02,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:02,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:08:02,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:02,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:02,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:02,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:02,714 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:02,714 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:02,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:08:02,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:02,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:02,718 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:02,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:02,719 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:02,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:02,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:02,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:02,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:02,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:02,736 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:02,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:02,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:02,737 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_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2023-11-23 20:08:03,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:03,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:03,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:03,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:03,126 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:03,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i [2023-11-23 20:08:06,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:06,679 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:06,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test2-1.i [2023-11-23 20:08:06,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/data/756be505d/47f5b6ae05bb4de5810178da44f8c4ae/FLAGb55ab4199 [2023-11-23 20:08:06,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/data/756be505d/47f5b6ae05bb4de5810178da44f8c4ae [2023-11-23 20:08:06,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:06,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:06,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:06,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:06,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:06,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:06" (1/1) ... [2023-11-23 20:08:06,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5f14e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:06, skipping insertion in model container [2023-11-23 20:08:06,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:06" (1/1) ... [2023-11-23 20:08:06,801 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:07,062 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:08:07,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:07,371 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:07,387 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:08:07,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:07,558 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:08:07,559 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:08:07,568 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:07,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07 WrapperNode [2023-11-23 20:08:07,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:07,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:07,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:07,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:07,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,728 INFO L138 Inliner]: procedures = 208, calls = 231, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1193 [2023-11-23 20:08:07,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:07,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:07,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:07,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:07,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:07,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:07,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:07,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:07,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:07" (1/1) ... [2023-11-23 20:08:07,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:07,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:07,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:07,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a24e19a-75e1-4ed7-951e-62537b7f57d6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:08:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:08:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:08:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:08:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:08:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:08:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:08:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:08:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:08:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:08:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:08:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:08,257 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:08,260 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:09,971 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:11,453 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:11,453 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-23 20:08:11,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:11 BoogieIcfgContainer [2023-11-23 20:08:11,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:11,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:11,456 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:11,468 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:11,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:11" (1/1) ... [2023-11-23 20:08:11,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 110 states and 180 transitions. [2023-11-23 20:08:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2023-11-23 20:08:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:08:11,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:11,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:11,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:08:11,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:11,876 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 [2023-11-23 20:08:11,955 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:08:11,956 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-23 20:08:11,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:08:11,968 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 [2023-11-23 20:08:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:12,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 185 transitions. [2023-11-23 20:08:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 185 transitions. [2023-11-23 20:08:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:08:12,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:12,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:12,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:08:12,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:12,172 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 [2023-11-23 20:08:12,222 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:08:12,225 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-23 20:08:12,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:08:12,234 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 22 treesize of output 10 [2023-11-23 20:08:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 114 states and 186 transitions. [2023-11-23 20:08:12,350 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 186 transitions. [2023-11-23 20:08:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:08:12,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:12,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:12,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:08:12,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 114 states and 184 transitions. [2023-11-23 20:08:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2023-11-23 20:08:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:08:12,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:12,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:12,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 114 states and 181 transitions. [2023-11-23 20:08:12,634 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 181 transitions. [2023-11-23 20:08:12,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:08:12,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:12,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:12,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:08:12,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 114 states and 177 transitions. [2023-11-23 20:08:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 177 transitions. [2023-11-23 20:08:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:08:12,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:12,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:12,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 114 states and 173 transitions. [2023-11-23 20:08:12,829 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 173 transitions. [2023-11-23 20:08:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:08:12,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:12,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:12,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:12,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 114 states and 171 transitions. [2023-11-23 20:08:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 171 transitions. [2023-11-23 20:08:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:08:12,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:12,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:12,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:08:12,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:12,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 114 states and 165 transitions. [2023-11-23 20:08:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2023-11-23 20:08:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:08:13,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:13,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:23,124 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 [] [2023-11-23 20:08:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 114 states and 163 transitions. [2023-11-23 20:08:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2023-11-23 20:08:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:08:23,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:23,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 118 states and 167 transitions. [2023-11-23 20:08:23,496 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 167 transitions. [2023-11-23 20:08:23,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:08:23,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:23,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 163 transitions. [2023-11-23 20:08:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2023-11-23 20:08:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:08:23,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:23,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:23,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:08:23,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:33,819 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 [] [2023-11-23 20:08:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 118 states and 157 transitions. [2023-11-23 20:08:33,881 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 157 transitions. [2023-11-23 20:08:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:08:33,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:33,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:44,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:08:54,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:08:56,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:08:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 134 states and 176 transitions. [2023-11-23 20:08:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2023-11-23 20:08:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:08:56,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:56,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:56,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:08:56,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:58,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:08:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 147 states and 191 transitions. [2023-11-23 20:08:58,866 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2023-11-23 20:08:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:08:58,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:58,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:59,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:08:59,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:59,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:59,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 147 states and 189 transitions. [2023-11-23 20:08:59,082 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 189 transitions. [2023-11-23 20:08:59,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:08:59,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:59,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:09,158 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 [] [2023-11-23 20:09:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 147 states and 187 transitions. [2023-11-23 20:09:09,174 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 187 transitions. [2023-11-23 20:09:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:09:09,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:09:09,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 147 states and 185 transitions. [2023-11-23 20:09:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 185 transitions. [2023-11-23 20:09:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:09:09,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.