./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf6b5d6ce0125c606cfafa6fb4e25513c25265a3f4d4cd63094ae1ba72acdc4a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:16,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:16,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:40:16,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:16,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:16,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:16,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:16,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:16,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:16,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:16,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:16,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:16,957 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:16,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:16,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:16,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:16,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:16,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:16,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:16,961 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:16,962 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:16,968 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:16,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:16,969 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:16,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:16,971 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:16,971 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:16,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:16,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:16,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:16,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:16,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:16,975 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:16,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:16,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:16,975 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_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf6b5d6ce0125c606cfafa6fb4e25513c25265a3f4d4cd63094ae1ba72acdc4a [2023-11-21 18:40:17,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:17,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:17,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:17,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:17,335 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:17,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c [2023-11-21 18:40:20,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:20,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:20,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c [2023-11-21 18:40:20,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/data/366b00f9d/9e969c2003564402ad93df6d52226515/FLAG0f76acbff [2023-11-21 18:40:20,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/data/366b00f9d/9e969c2003564402ad93df6d52226515 [2023-11-21 18:40:20,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:20,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:20,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:20,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:20,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:20,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:20,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59291539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20, skipping insertion in model container [2023-11-21 18:40:20,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:20,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:20,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:20,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:20,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:20,946 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:20,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20 WrapperNode [2023-11-21 18:40:20,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:20,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:20,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:20,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:20,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:20,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:20,988 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-21 18:40:20,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:20,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:20,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:20,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:20,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:20,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:21,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:21,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:21,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:21,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:21,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:21,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:21,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:21,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:21,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:21,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:21,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:20" (1/1) ... [2023-11-21 18:40:21,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:21,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:21,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:21,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1404fb38-750a-4ffc-81dc-89ef0d9aae21/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:40:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:40:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:40:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:40:21,165 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:21,167 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:21,375 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:21,412 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:21,413 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:40:21,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:21 BoogieIcfgContainer [2023-11-21 18:40:21,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:21,416 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:21,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:21,426 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:21,426 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:21" (1/1) ... [2023-11-21 18:40:21,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-21 18:40:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-21 18:40:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:40:21,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:21,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:21,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:40:21,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:40:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-21 18:40:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-21 18:40:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:40:22,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:22,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:22,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:40:22,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:22,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 60 transitions. [2023-11-21 18:40:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2023-11-21 18:40:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:40:22,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:22,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:22,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:22,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:23,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 66 transitions. [2023-11-21 18:40:23,228 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-21 18:40:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:40:23,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:23,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:23,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:23,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 74 transitions. [2023-11-21 18:40:23,889 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2023-11-21 18:40:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:40:23,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:23,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:23,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:40:23,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:24,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 84 transitions. [2023-11-21 18:40:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2023-11-21 18:40:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:40:24,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:24,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:24,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:40:24,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:40:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 86 transitions. [2023-11-21 18:40:24,823 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2023-11-21 18:40:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:40:24,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:24,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:24,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:24,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:24,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 91 transitions. [2023-11-21 18:40:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2023-11-21 18:40:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:24,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 90 transitions. [2023-11-21 18:40:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2023-11-21 18:40:25,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:25,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:25,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:25,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 106 transitions. [2023-11-21 18:40:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2023-11-21 18:40:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:40:27,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 81 states and 109 transitions. [2023-11-21 18:40:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2023-11-21 18:40:27,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:40:27,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:27,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:27,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:27,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:29,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 90 states and 126 transitions. [2023-11-21 18:40:29,371 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2023-11-21 18:40:29,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:40:29,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:29,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 92 states and 131 transitions. [2023-11-21 18:40:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2023-11-21 18:40:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:40:29,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:29,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:29,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:29,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 94 states and 135 transitions. [2023-11-21 18:40:30,670 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2023-11-21 18:40:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:40:30,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:30,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:30,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 104 states and 155 transitions. [2023-11-21 18:40:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2023-11-21 18:40:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:40:33,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:33,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:33,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 177 transitions. [2023-11-21 18:40:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 177 transitions. [2023-11-21 18:40:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:40:37,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:37,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:37,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:37,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 119 states and 187 transitions. [2023-11-21 18:40:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 187 transitions. [2023-11-21 18:40:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:40:38,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:38,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:38,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:38,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:38,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 192 transitions. [2023-11-21 18:40:38,817 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 192 transitions. [2023-11-21 18:40:38,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:40:38,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:38,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:38,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:38,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:39,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 124 states and 195 transitions. [2023-11-21 18:40:39,349 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 195 transitions. [2023-11-21 18:40:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:40:39,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:39,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:39,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:40:39,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:40:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:40,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 131 states and 207 transitions. [2023-11-21 18:40:40,983 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 207 transitions. [2023-11-21 18:40:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:40:40,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:40,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:41,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:41,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:41,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 132 states and 208 transitions. [2023-11-21 18:40:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 208 transitions. [2023-11-21 18:40:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:40:41,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:41,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:41,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:40:41,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:40:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 142 states and 226 transitions. [2023-11-21 18:40:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2023-11-21 18:40:43,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:40:43,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:43,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:43,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:40:43,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:40:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:43,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 143 states and 232 transitions. [2023-11-21 18:40:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 232 transitions. [2023-11-21 18:40:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:40:43,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:43,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:43,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:40:43,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:40:46,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 161 states and 259 transitions. [2023-11-21 18:40:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 259 transitions. [2023-11-21 18:40:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:40:46,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:46,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:46,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:40:46,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:40:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 181 states and 291 transitions. [2023-11-21 18:40:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 291 transitions. [2023-11-21 18:40:50,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:40:50,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:50,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:50,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:50,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 196 states and 315 transitions. [2023-11-21 18:40:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 315 transitions. [2023-11-21 18:40:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:40:52,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:52,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:52,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:52,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 198 states and 319 transitions. [2023-11-21 18:40:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 319 transitions. [2023-11-21 18:40:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:40:53,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:53,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:53,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:53,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:56,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:56,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 211 states and 341 transitions. [2023-11-21 18:40:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 341 transitions. [2023-11-21 18:40:56,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:40:56,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:56,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:56,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:56,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:40:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 213 states and 345 transitions. [2023-11-21 18:40:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 345 transitions. [2023-11-21 18:40:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:40:57,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:57,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:57,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:40:57,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:40:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 206 states and 329 transitions. [2023-11-21 18:40:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 329 transitions. [2023-11-21 18:40:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:40:58,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:58,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:58,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:40:58,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:41:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 223 states and 372 transitions. [2023-11-21 18:41:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2023-11-21 18:41:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:03,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:03,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:03,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:03,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:41:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 227 states and 390 transitions. [2023-11-21 18:41:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 390 transitions. [2023-11-21 18:41:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:05,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:05,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:05,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:05,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:41:06,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 229 states and 393 transitions. [2023-11-21 18:41:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 393 transitions. [2023-11-21 18:41:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:06,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:06,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:06,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:41:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 230 states and 393 transitions. [2023-11-21 18:41:07,303 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 393 transitions. [2023-11-21 18:41:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:07,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:07,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:07,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:07,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:41:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 232 states and 394 transitions. [2023-11-21 18:41:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 394 transitions. [2023-11-21 18:41:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:41:08,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:08,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:08,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:41:08,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:41:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 250 states and 439 transitions. [2023-11-21 18:41:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 439 transitions. [2023-11-21 18:41:13,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:41:13,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:13,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:13,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:41:13,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.