./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.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_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/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_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/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_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/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 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:58,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:58,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:19:58,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:58,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:58,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:58,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:58,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:58,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:58,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:58,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:58,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:58,958 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:19:58,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:58,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:19:58,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:58,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:58,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:58,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:58,963 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:58,964 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:58,964 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:19:58,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:58,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:58,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:58,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:58,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:58,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:58,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:58,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:58,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:58,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:58,971 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:58,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:58,972 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:58,972 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_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa [2023-11-23 20:19:59,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:59,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:59,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:59,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:59,303 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:59,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2023-11-23 20:20:02,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:02,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:02,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2023-11-23 20:20:02,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/data/b4e87e3a9/9e1c972b187849eea1d7324fe5648c7a/FLAG3c81c8738 [2023-11-23 20:20:02,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/data/b4e87e3a9/9e1c972b187849eea1d7324fe5648c7a [2023-11-23 20:20:02,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:02,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:02,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:02,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:02,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:02,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:02" (1/1) ... [2023-11-23 20:20:02,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25026355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:02, skipping insertion in model container [2023-11-23 20:20:02,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:02" (1/1) ... [2023-11-23 20:20:02,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:02,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:03,014 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:03,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:03,067 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:03,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03 WrapperNode [2023-11-23 20:20:03,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:03,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:03,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:03,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:03,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,120 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-23 20:20:03,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:03,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:03,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:03,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:03,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:03,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:03,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:03,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:03,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:03,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:03,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:03,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2d6ba-06ae-4eba-b4d5-e5ce6df5a782/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:20:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:20:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:20:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:20:03,315 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:03,319 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:03,571 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:03,617 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:03,618 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:20:03,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:03 BoogieIcfgContainer [2023-11-23 20:20:03,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:03,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:03,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:03,636 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:03,636 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2023-11-23 20:20:03,723 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-23 20:20:03,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:20:03,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:03,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:20:04,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2023-11-23 20:20:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2023-11-23 20:20:04,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:20:04,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 68 transitions. [2023-11-23 20:20:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2023-11-23 20:20:04,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:20:04,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 69 transitions. [2023-11-23 20:20:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-23 20:20:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:20:04,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:04,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:04,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 71 transitions. [2023-11-23 20:20:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2023-11-23 20:20:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:20:04,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:04,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 80 transitions. [2023-11-23 20:20:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2023-11-23 20:20:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:20:05,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:05,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 70 states and 81 transitions. [2023-11-23 20:20:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-23 20:20:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:20:05,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:05,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 93 transitions. [2023-11-23 20:20:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-11-23 20:20:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:20:05,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:05,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:06,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 107 transitions. [2023-11-23 20:20:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2023-11-23 20:20:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:20:06,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:20:06,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:08,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 121 transitions. [2023-11-23 20:20:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2023-11-23 20:20:08,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:20:08,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:10,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 131 transitions. [2023-11-23 20:20:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2023-11-23 20:20:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:20:10,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:10,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 104 states and 137 transitions. [2023-11-23 20:20:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2023-11-23 20:20:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:20:10,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:10,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:10,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 108 states and 145 transitions. [2023-11-23 20:20:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2023-11-23 20:20:11,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:20:11,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:11,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:11,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:11,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 153 transitions. [2023-11-23 20:20:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2023-11-23 20:20:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:20:11,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:11,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:11,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 116 states and 162 transitions. [2023-11-23 20:20:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2023-11-23 20:20:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:20:12,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:12,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:12,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 166 transitions. [2023-11-23 20:20:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2023-11-23 20:20:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:20:12,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:12,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 123 states and 171 transitions. [2023-11-23 20:20:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2023-11-23 20:20:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:20:13,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:13,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:13,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 122 states and 170 transitions. [2023-11-23 20:20:14,213 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 170 transitions. [2023-11-23 20:20:14,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:20:14,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:14,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:14,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:14,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:16,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 128 states and 184 transitions. [2023-11-23 20:20:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2023-11-23 20:20:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:20:16,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:16,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:16,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:16,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 186 transitions. [2023-11-23 20:20:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2023-11-23 20:20:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:20:17,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:17,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:17,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:18,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 137 states and 198 transitions. [2023-11-23 20:20:18,370 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2023-11-23 20:20:18,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:20:18,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:18,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:18,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:20:18,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:22,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 155 states and 226 transitions. [2023-11-23 20:20:22,124 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2023-11-23 20:20:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:20:22,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:22,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:22,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:20:22,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:22,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 158 states and 231 transitions. [2023-11-23 20:20:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 231 transitions. [2023-11-23 20:20:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:20:22,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:22,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:22,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:22,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 164 states and 246 transitions. [2023-11-23 20:20:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2023-11-23 20:20:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:20:24,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:24,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:24,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:24,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 168 states and 256 transitions. [2023-11-23 20:20:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2023-11-23 20:20:25,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:20:25,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:25,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:25,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:25,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:28,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:28,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 188 states and 304 transitions. [2023-11-23 20:20:28,508 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 304 transitions. [2023-11-23 20:20:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:20:28,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:28,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:28,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:28,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:28,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 206 states and 346 transitions. [2023-11-23 20:20:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 346 transitions. [2023-11-23 20:20:31,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:20:31,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:31,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:31,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 226 states and 393 transitions. [2023-11-23 20:20:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 393 transitions. [2023-11-23 20:20:35,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:20:35,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:35,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:35,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:35,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 243 states and 434 transitions. [2023-11-23 20:20:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 434 transitions. [2023-11-23 20:20:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:20:38,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:38,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:38,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:38,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 252 states and 455 transitions. [2023-11-23 20:20:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 455 transitions. [2023-11-23 20:20:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:20:41,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:41,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:41,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:42,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 253 states and 456 transitions. [2023-11-23 20:20:42,116 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 456 transitions. [2023-11-23 20:20:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:20:42,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:42,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:42,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:42,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:42,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 256 states and 461 transitions. [2023-11-23 20:20:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 461 transitions. [2023-11-23 20:20:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:20:42,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:42,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:42,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:42,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 260 states and 468 transitions. [2023-11-23 20:20:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 468 transitions. [2023-11-23 20:20:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:20:44,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:44,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:44,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:20:44,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 279 states and 498 transitions. [2023-11-23 20:20:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 498 transitions. [2023-11-23 20:20:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:20:50,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:50,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:50,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:50,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.