./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/rewrev.c --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_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/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_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/rewrev.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/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_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/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 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:04,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:05,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:03:05,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:05,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:05,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:05,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:05,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:05,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:05,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:05,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:05,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:05,172 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:03:05,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:05,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:03:05,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:05,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:05,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:05,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:05,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:05,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:05,179 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:03:05,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:05,180 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:05,181 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:05,182 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:05,183 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:05,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:05,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:05,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:05,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:05,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:05,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:05,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:05,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:05,188 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_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f [2023-11-23 20:03:05,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:05,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:05,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:05,594 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:05,595 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:05,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-tiling/rewrev.c [2023-11-23 20:03:09,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:09,317 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:09,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/sv-benchmarks/c/array-tiling/rewrev.c [2023-11-23 20:03:09,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/data/cfb1a9a38/6372bf11957f43c3b5e8cbaeb62ab1cd/FLAG9b8a17d62 [2023-11-23 20:03:09,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/data/cfb1a9a38/6372bf11957f43c3b5e8cbaeb62ab1cd [2023-11-23 20:03:09,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:09,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:09,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:09,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:09,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:09,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43be405f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09, skipping insertion in model container [2023-11-23 20:03:09,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:09,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:09,651 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:09,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:09,707 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:09,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09 WrapperNode [2023-11-23 20:03:09,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:09,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:09,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:09,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:09,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,762 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-11-23 20:03:09,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:09,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:09,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:09,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:09,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:09,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:09,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:09,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:09,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:09" (1/1) ... [2023-11-23 20:03:09,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:09,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:09,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:09,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03aa4dc2-1ef4-4a13-980d-cec69dcac4af/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:03:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:03:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:03:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:03:09,995 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:09,998 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:10,234 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:10,341 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:10,341 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:03:10,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:10 BoogieIcfgContainer [2023-11-23 20:03:10,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:10,344 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:10,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:10,359 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:10,360 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:10" (1/1) ... [2023-11-23 20:03:10,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:10,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-23 20:03:10,449 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-23 20:03:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:03:10,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:10,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:10,713 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 20:03:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-23 20:03:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-23 20:03:10,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:03:10,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:10,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:10,824 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 20:03:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2023-11-23 20:03:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2023-11-23 20:03:10,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:03:10,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:10,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:11,116 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 20:03:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2023-11-23 20:03:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-11-23 20:03:11,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:03:11,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:11,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:11,317 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 20:03:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:11,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-23 20:03:11,362 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-23 20:03:11,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:03:11,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:11,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:11,494 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 20:03:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-23 20:03:11,616 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-23 20:03:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:03:11,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:11,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:11,731 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 20:03:11,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:11,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-23 20:03:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-23 20:03:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:03:11,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:11,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:11,905 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 20:03:11,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:03:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:03:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:03:11,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:11,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:03:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-23 20:03:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-23 20:03:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:03:12,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:12,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:03:12,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-23 20:03:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-23 20:03:12,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:03:12,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:12,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-23 20:03:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-23 20:03:12,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:03:12,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:12,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:03:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-23 20:03:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-23 20:03:13,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:03:13,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:13,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:03:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-23 20:03:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-23 20:03:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:03:13,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:13,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:13,598 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:03:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-23 20:03:13,660 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-23 20:03:13,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:03:13,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:13,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2023-11-23 20:03:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-11-23 20:03:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:03:16,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:16,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:03:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-11-23 20:03:17,462 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-23 20:03:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:03:17,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:17,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:03:18,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2023-11-23 20:03:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2023-11-23 20:03:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:03:18,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:18,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2023-11-23 20:03:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2023-11-23 20:03:22,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:03:22,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:22,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-23 20:03:23,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2023-11-23 20:03:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2023-11-23 20:03:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:03:23,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:23,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 33 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 97 states and 112 transitions. [2023-11-23 20:03:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2023-11-23 20:03:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:03:29,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:29,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-23 20:03:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 100 states and 116 transitions. [2023-11-23 20:03:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2023-11-23 20:03:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:03:30,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:30,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 48 proven. 68 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 126 states and 146 transitions. [2023-11-23 20:03:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2023-11-23 20:03:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:03:39,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:39,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-23 20:03:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 129 states and 150 transitions. [2023-11-23 20:03:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2023-11-23 20:03:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:03:40,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:40,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 66 proven. 97 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 158 states and 184 transitions. [2023-11-23 20:03:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2023-11-23 20:03:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:03:52,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:52,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:52,712 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-23 20:03:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 161 states and 188 transitions. [2023-11-23 20:03:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 188 transitions. [2023-11-23 20:03:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:03:54,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:54,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:55,539 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 87 proven. 131 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.